Every page starting with P
435 pages, in alphabetical order, each with the description it carries. A page filed under its own name rather than a prefix: a suburb page sorts by the suburb, and a title beginning with NZ sorts by the word after it.
Nothing on this letter matches that. Try the full A to Z.
-
P-value Calculator
Convert a z-score or t-score to a p-value. Choose one-tailed or two-tailed test and enter degrees of freedom for t-tests. Returns p-value and interpretation.
-
P2P Lending Return Calculator NZ
Estimate the net return from peer-to-peer lending in New Zealand after expected defaults, platform fees and tax, so you can compare it fairly with other investments.
-
Pace Calculator
Work out pace per kilometre and per mile, speed in km/h, and the finish time a pace gives you over any distance. Covers running, walking and cycling.
-
Housing in Pacific Lakes
What housing costs in Pacific Lakes, Tauranga City: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pacific View
What housing costs in Pacific View, Tauranga City: median weekly rent $600, the ownership and renting split, and household income, from the 2023 Census.
-
Paddock Rotation Planner NZ
The round length your paddock count gives, days in each paddock, the break a mob needs, and whether the round matches growth.
-
Housing in Paekākāriki
What housing costs in Paekākāriki, Kapiti Coast District: median weekly rent $425, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paekākāriki Hill
What housing costs in Paekākāriki Hill, Porirua City: median weekly rent $390, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paeroa
What housing costs in Paeroa, Hauraki District: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paeroa Rural
What housing costs in Paeroa Rural, Hauraki District: median weekly rent $340, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Ōpaheke
What housing costs in Ōpaheke, Auckland: median weekly rent $580, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pahiatua
What housing costs in Pahiatua, Tararua District: median weekly rent $290, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pahoia East
What housing costs in Pahoia East, Western Bay of Plenty District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pahoia West
What housing costs in Pahoia West, Western Bay of Plenty District: median weekly rent $393, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pahurehure
What housing costs in Pahurehure, Auckland: median weekly rent $560, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paihia
What housing costs in Paihia, Far North District: median weekly rent $360, the ownership and renting split, and household income, from the 2023 Census.
-
Paint Calculator NZ
Free paint calculator. Enter your wall area, number of coats, and coverage to see how many litres of paint you need and how many cans to buy.
-
Paint Coverage Calculator NZ
Work out how much paint you need from the wall area, number of coats and the paint's coverage per litre. See the litres required and the number of cans.
-
Paint Quantity Calculator NZ
Work out how many litres of paint you need in New Zealand from the wall area, the paint coverage per litre and the number of coats.
-
Paired t-Test Calculator
Calculate a paired t-test from your before and after differences. Enter a list of paired differences to get the t statistic, degrees of freedom and mean.
-
Housing in Pakaraka
What housing costs in Pakaraka, Far North District: median weekly rent $280, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga Central
What housing costs in Pakuranga Central, Auckland: median weekly rent $600, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga Heights East
What housing costs in Pakuranga Heights East, Auckland: median weekly rent $580, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga Heights North West
What housing costs in Pakuranga Heights North West, Auckland: median weekly rent $570, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga Heights South West
What housing costs in Pakuranga Heights South West, Auckland: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga North
What housing costs in Pakuranga North, Auckland: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pakuranga West
What housing costs in Pakuranga West, Auckland: median weekly rent $520, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Palm Beach North
What housing costs in Palm Beach North, Tauranga City: median weekly rent $560, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Palm Beach South-Gravatt
What housing costs in Palm Beach South-Gravatt, Tauranga City: median weekly rent $600, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Palmerston
What housing costs in Palmerston, Waitaki District: median weekly rent $250, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Palmerston North Central
What housing costs in Palmerston North Central, Palmerston North City: median weekly rent $326, the ownership and renting split, and household income, from the 2023...
-
Housing in Palmerston North Hospital
What housing costs in Palmerston North Hospital, Palmerston North City: median weekly rent $400, the ownership and renting split, and household income, from the 2023...
-
Housing in Panmure East
What housing costs in Panmure East, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Panmure West
What housing costs in Panmure West, Auckland: median weekly rent $198, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papaioea North
What housing costs in Papaioea North, Palmerston North City: median weekly rent $360, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papaioea South
What housing costs in Papaioea South, Palmerston North City: median weekly rent $360, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura Central
What housing costs in Papakura Central, Auckland: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura East
What housing costs in Papakura East, Auckland: median weekly rent $520, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura Eastburn
What housing costs in Papakura Eastburn, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura Kelvin
What housing costs in Papakura Kelvin, Auckland: median weekly rent $490, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura Massey Park
What housing costs in Papakura Massey Park, Auckland: median weekly rent $496, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura North
What housing costs in Papakura North, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura North East
What housing costs in Papakura North East, Auckland: median weekly rent $540, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakura West
What housing costs in Papakura West, Auckland: median weekly rent $460, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papakōwhai
What housing costs in Papakōwhai, Porirua City: median weekly rent $672, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papamoa Beach North
What housing costs in Papamoa Beach North, Tauranga City: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papamoa Beach South
What housing costs in Papamoa Beach South, Tauranga City: median weekly rent $535, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papanui East
What housing costs in Papanui East, Christchurch City: median weekly rent $418, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papanui North
What housing costs in Papanui North, Christchurch City: median weekly rent $235, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papanui West
What housing costs in Papanui West, Christchurch City: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paparangi
What housing costs in Paparangi, Wellington City: median weekly rent $575, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paparua
What housing costs in Paparua, Christchurch City: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatawa
What housing costs in Papatawa, Tararua District: median weekly rent $238, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe Central East
What housing costs in Papatoetoe Central East, Auckland: median weekly rent $490, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe Central West
What housing costs in Papatoetoe Central West, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe East
What housing costs in Papatoetoe East, Auckland: median weekly rent $535, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe North
What housing costs in Papatoetoe North, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe North East
What housing costs in Papatoetoe North East, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe North West
What housing costs in Papatoetoe North West, Auckland: median weekly rent $510, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe South
What housing costs in Papatoetoe South, Auckland: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe South West
What housing costs in Papatoetoe South West, Auckland: median weekly rent $480, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Papatoetoe West
What housing costs in Papatoetoe West, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Paracetamol Dosage Calculator NZ
Free weight-based paracetamol dosage guide for New Zealand. Estimate a per-dose amount and the 24-hour maximum from body weight.
-
Housing in Paraite
What housing costs in Paraite, New Plymouth District: median weekly rent $393, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parakai
What housing costs in Parakai, Auckland: median weekly rent $460, the ownership and renting split, and household income, from the 2023 Census.
-
Parallel-Plate Capacitor Calculator NZ
Calculate the capacitance of a parallel-plate capacitor from the plate area, gap and dielectric constant. See the result in picofarads and nanofarads.
-
Parallelogram Calculator
Calculate the area, height, perimeter, and diagonal lengths of a parallelogram. Enter base, side, and included angle to get all measurements instantly.
-
Housing in Paraonui
What housing costs in Paraonui, South Waikato District: median weekly rent $333, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paraparaumu Beach East
What housing costs in Paraparaumu Beach East, Kapiti Coast District: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paraparaumu Beach North
What housing costs in Paraparaumu Beach North, Kapiti Coast District: median weekly rent $500, the ownership and renting split, and household income, from the 2023...
-
Housing in Paraparaumu Beach West
What housing costs in Paraparaumu Beach West, Kapiti Coast District: median weekly rent $480, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paraparaumu Central
What housing costs in Paraparaumu Central, Kapiti Coast District: median weekly rent $480, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paraparaumu East
What housing costs in Paraparaumu East, Kapiti Coast District: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paraparaumu North
What housing costs in Paraparaumu North, Kapiti Coast District: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Paremata
What housing costs in Paremata, Porirua City: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Parental Leave Cover Cost Calculator NZ 2026
What parental leave actually costs a New Zealand employer: cover wages, handover, recruitment and on-costs across 26 weeks.
-
NZ Parental Leave Payment Calculator 2026
Free NZ parental leave calculator. Paid parental leave is up to $811.05 a week from 1 July 2026, for 26 weeks. Covers eligibility, KiwiSaver, tax codes and transfer.
-
Parental Leave Payment Calculator NZ 2026
Work out your NZ parental leave payment: 26 weeks, capped at $811.05 a week, with the 10 hour eligibility test and the self-employed minimum of $239.50.
-
Parental Leave Payments Guide
Government-paid parental leave: who is eligible, the weekly cap, paid against extended leave, and employer top-ups. NZ.
-
Housing in Parewanui
What housing costs in Parewanui, Rangitikei District: median weekly rent $250, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parihaka
What housing costs in Parihaka, South Taranaki District: median weekly rent $200, the ownership and renting split, and household income, from the 2023 Census.
-
Parity Bit Calculator
Free parity bit calculator. Enter a number and choose even or odd parity to get the parity bit and the count of 1 bits.
-
Housing in Park West
What housing costs in Park West, Palmerston North City: median weekly rent $320, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parkdale
What housing costs in Parkdale, South Waikato District: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parkhaven
What housing costs in Parkhaven, Hastings District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parklands
What housing costs in Parklands, Christchurch City: median weekly rent $430, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parkside
What housing costs in Parkside, Timaru District: median weekly rent $300, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parkvale
What housing costs in Parkvale, Hastings District: median weekly rent $404, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parnassus
What housing costs in Parnassus, Hurunui District: median weekly rent $220, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parnell East
What housing costs in Parnell East, Auckland: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Parnell West
What housing costs in Parnell West, Auckland: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Part-Year Tax Refund Calculator NZ 2026
Only worked part of the tax year? Students, school leavers and new workers are often over-taxed. Estimate your NZ tax refund from a summer or part-year job in seconds.
-
Partial / Semi-Retirement Calculator NZ 2026/27
Part-time income, NZ Super and a savings drawdown combined: how long your savings last in semi-retirement. Free NZ calculator.
-
Partial Derivative Calculator
Calculate partial derivatives of f(x,y) with respect to x or y at any point. Returns df/dx, df/dy, gradient vector, and mixed partial d2f/dxdy numerically.
-
Partial Fractions Calculator NZ
Decompose a rational expression with a linear numerator over two distinct linear factors into partial fractions. Enter the numerator and roots to get A and B.
-
Parts Per Million (ppm) Calculator
Convert between parts per million (ppm), mg/L, mg/kg, ppb and percentage. Calculate ppm from solute mass and solution mass.
-
Pascal’s Triangle Calculator
Free Pascal’s triangle calculator. Enter a row number to get that row of Pascal’s triangle, the binomial coefficients n choose k.
-
Passive Income Target Calculator NZ
Work out how much you need invested to generate a target passive income from dividends, interest or rent in New Zealand.
-
Password Entropy Calculator
Measure password strength in bits of entropy from its length and character set, and see an estimated time to crack. Runs privately in your browser.
-
Password Generator NZ
Free strong password generator. Choose length, character sets, and generate multiple passwords instantly.
-
Password Strength Checker NZ
Check how strong a password is. See its entropy in bits, a strength rating and an estimated time to crack by brute force. Runs entirely in your browser; nothing is sent.
-
Housing in Patumāhoe
What housing costs in Patumāhoe, Auckland: median weekly rent $580, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Patumāhoe Rural
What housing costs in Patumāhoe Rural, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Pay and conditions at work
Eleven steps through pay at work in New Zealand: reading a payslip, tax codes, overtime, public holiday pay, negotiating a rise, comparing job offers, 90-day trials and...
-
Pay Cycle Budget Calculator NZ
Turn weekly, fortnightly or monthly pay into a balanced budget, with the right amount set aside each pay for bills, savings and spending.
-
Pay Frequency Converter NZ
Convert your pay between weekly, fortnightly, four-weekly, monthly and annual, on both a gross and an after-tax basis.
-
Pay Parity Calculator NZ
Compare two salaries or pay rates on a fair, like-for-like basis. Adjusts for hours worked, leave entitlements and allowances. Useful for Equal Pay Act comparisons.
-
Pay Review Budget Calculator NZ 2026
Distribute a percentage pool across performance bands and see the true cost with employer KiwiSaver, ACC and the leave provision. NZ.
-
NZ Pay Rise Calculator 2026
Free NZ pay rise calculator. See how much of your pay rise you actually keep after PAYE, ACC, KiwiSaver, and student loan.
-
Pay Rise Lifetime Value Calculator NZ
See what a single pay rise is worth compounded over the rest of your career in New Zealand, as future raises build on the higher base.
-
Payback Period Calculator
Work out how many years it takes to recover an investment from annual cash flows. The payback period calculator handles the fractional final year too.
-
Payday and High-Cost Credit True Cost Calculator NZ
Work out the true cost of a payday loan or high-cost credit in New Zealand, with the CCCFA caps applied: the 0.8% daily rate limit and the 100% total cost of credit cap.
-
Payday Split Calculator NZ
Divide each pay into buckets for bills, savings, debt and spending so every dollar has a job the moment it arrives.
-
NZ PAYE Calculator 2026/27
Free NZ PAYE calculator for 2026/27. Calculate take-home pay, income tax, ACC levy, KiwiSaver, student loan, and IETC. Updated for new IRD thresholds.
-
NZ PAYE Due Dates Calculator
Free NZ PAYE employer due dates calculator. Monthly vs twice-monthly filing ($500k threshold), payday filing 2-day deadline, EMS due dates, late penalties.
-
NZ PAYE Square-Up Calculator
Free NZ PAYE year-end square-up calculator. Reconcile annual tax withheld vs actual liability.
-
PAYE Tax System
Master New Zealand's Pay As You Earn system including tax codes, income thresholds, ACC levies, student loan repayments, and understanding your payslip.
-
Paying for Aged Care in NZ
How aged residential care is paid for in New Zealand: the costs, the Residential Care Subsidy, asset and income testing, and how to plan ahead.
-
Paying for Surgery: Public, Private or Self-Pay
The three routes to surgery in New Zealand: the public system, private with health insurance, and self-pay, plus ACC for injuries and how to fund each.
-
Paying off a mortgage: real situations worked through
Worked situations for paying off a mortgage: 16 real cases with the sums laid out, taken from the guides.
-
Payment Terms Comparison Calculator NZ 2026
Compare 7 day, 20th of the month following and 30 day payment terms on average days to cash, working capital tied up and what each costs to finance over a year.
-
Payroll Cost Calculator
Work out the true cost of an employee in NZ. Add gross pay, employer KiwiSaver, ACC levy and holiday pay to see total payroll cost and the on-cost above salary.
-
Payroll Error Correction Calculator NZ 2026
The true cost of correcting an underpayment: the arrears plus the KiwiSaver, ACC and holiday pay flow-on that makes it expensive. NZ.
-
Payroll Giving Calculator NZ
See the tax credit and real net cost of donating through payroll giving in New Zealand. Payroll giving gives an immediate 33.33% credit, so a donation costs you less.
-
Housing in Peachgrove
What housing costs in Peachgrove, Hamilton City: median weekly rent $496, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Peacocke
What housing costs in Peacocke, Hamilton City: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Pearson Correlation Calculator
Calculate the Pearson correlation coefficient r and r-squared from two lists of numbers. See how strongly two variables move together, all in your browser.
-
Housing in Pegasus
What housing costs in Pegasus, Waimakariri District: median weekly rent $520, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pegasus Bay
What housing costs in Pegasus Bay, Waimakariri District: median weekly rent $294, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Peka Peka
What housing costs in Peka Peka, Kapiti Coast District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pekerau
What housing costs in Pekerau, Waipa District: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Pell Number Calculator
Free Pell number calculator. Enter n to get the nth Pell number, where each term is twice the previous plus the one before that.
-
Housing in Pembroke
What housing costs in Pembroke, Stratford District: median weekly rent $250, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pencarrow
What housing costs in Pencarrow, Lower Hutt City: median weekly rent $200, the ownership and renting split, and household income, from the 2023 Census.
-
Pendulum Calculator
Calculate the period, frequency, and swings per minute of a simple pendulum from length and gravity. Returns T = 2pi sqrt(L/g). Default: L=1m gives T=2.006s, f=0.498Hz.
-
Housing in Penrose
What housing costs in Penrose, Auckland: median weekly rent $520, the ownership and renting split, and household income, from the 2023 Census.
-
Pension Calculator NZ
Turn the NZ Super fortnightly rate into weekly and annual income, the gap to your target, and the savings that bridge it.
-
Pentagon Calculator
Calculate the area, perimeter, diagonal length, apothem, circumradius, and interior angles of a regular pentagon. Enter side length to get all measurements at once.
-
Pentagonal Prism Volume Calculator
Free pentagonal prism volume calculator. Enter the pentagon side and the prism height to get the volume, with the regular pentagon base area formula and a worked example.
-
Peptide Reconstitution Calculator
Work out the concentration of a reconstituted peptide vial, the volume for a given amount, the reading on an insulin syringe and how many doses a vial holds.
-
Percent Composition Calculator
Calculate the percent composition by mass of each element in a chemical compound. Enter element symbols and masses or molar masses to get the percentage breakdown.
-
Percent Error Calculator
Calculate percent error between a measured and accepted value. Returns percentage error, absolute difference, direction (over or under), and relative accuracy.
-
Percent of a Number Calculator
Find a percentage of a number, what percentage one number is of another, and the result after adding or subtracting that percentage from it.
-
Percent Off Calculator
Free percent off calculator. Enter the original price and discount percentage to instantly see the sale price, dollar saving, and final amount. Works for any currency.
-
Percent Purity Calculator NZ
Calculate the percent purity of a sample from the mass of pure substance and the total sample mass. See the purity and the percentage of impurities.
-
Percent to Fraction Converter
Convert any percentage to its simplest fraction form. Returns the reduced fraction, the GCD used and the exact decimal value. Works with whole and decimal percentages.
-
Percent Yield Calculator
Calculate the percent yield of a chemical reaction from the actual and theoretical yields. Returns yield percentage, mass shortfall and efficiency.
-
Percentage Calculator
A percentage of a number, what percentage one number is of another, and the increase or decrease between two values.
-
Percentage Change Calculator NZ
80 to 100 is a 25% rise but 100 to 80 is a 20% fall. Percentage change with the direction kept straight, plus reverse percentages.
-
Percentage Decrease Calculator
Free percentage decrease calculator. Find the percentage decrease between two numbers, the decrease amount, and the final value. Fast, accurate, and easy to use.
-
Percentage Difference Calculator
Free percentage difference calculator. Find the percentage difference between two values using the average as the base. Includes the formula and worked examples.
-
Percentage Discount Calculator
Free percentage discount calculator. Enter the original price and discount percentage to instantly find the sale price, dollar saving, and effective saving rate.
-
Percentage Fee vs Fixed Fee Calculator NZ 2026
Free NZ calculator comparing a percentage-of-income accounting fee against a fixed annual fee.
-
Percentage Increase Calculator
Free percentage increase calculator. Enter the old and new values to see the percentage increase, or increase a value by a percentage.
-
Percentage of a Percentage Calculator
Two percentages combined into one result, with worked examples for stacked discounts, commissions and applying a rate to an amount.
-
Percentage Off + GST Calculator
A discount and 15% GST in one step: the final price, the saving and the GST component, whether the price includes GST or not.
-
Percentile Calculator
Calculate any percentile for a data set. Enter comma-separated numbers to get P25, P50, P75, P90, and a custom percentile rank using linear interpolation.
-
Perfect Number Calculator
Free perfect number calculator. Enter a number to check if it is perfect, where the proper divisors add up to the number itself, with the divisor sum.
-
Pergola & Carport Cost Calculator NZ 2026
A pergola, carport or louvre roof: enter the floor area, choose the structure and add a pad and extras for an all-in NZ total.
-
Housing in Peria
What housing costs in Peria, Far North District: median weekly rent $300, the ownership and renting split, and household income, from the 2023 Census.
-
Perimeter Calculator
Calculate the perimeter and area of common 2D shapes: square, rectangle, triangle, circle and regular polygon. Select a shape, enter dimensions and get instant results.
-
Periodic vs Fixed-Term Tenancies
The difference between periodic and fixed-term tenancies in New Zealand, how each can end, the security and flexibility trade-offs, and which suits renters and landlords.
-
Permutation (nPr) Calculator
Free permutation calculator. Calculate nPr (ordered arrangements) instantly. Enter n (total items) and r (items chosen) to find the number of permutations.
-
Permutation Calculator (nPr)
Calculate nPr, the number of ordered arrangements of r items chosen from n. Returns the permutation count, the formula expansion and the combination count to compare.
-
Permutations and Combinations Calculator
Work out permutations nPr and combinations nCr from n and r. See ordered arrangements and unordered selections instantly with a clear worked example.
-
Personal Care: what NZ households spend per week
What New Zealand households spend on personal care each week, from the Stats NZ Household Economic Survey 2023, with every survey year since 2007 and what the category...
-
Personal Grievance for Redundancy NZ: The 90 Days and the Test
A redundancy can be challenged if it was not genuine or the process unfair. The 90 day clock, the section 103A test, the remedies and the 2026 changes.
-
Personal Grievance Payout Calculator NZ 2026
Indicative range for a personal grievance in NZ: hurt and humiliation under the GF banding, lost wages, and how the 2026 contributory conduct rules cut remedies.
-
Personal Inflation Rate Calculator NZ 2026
Work out your personal inflation rate in New Zealand by comparing what you spent last year with this year, and see how it compares to the official CPI figure.
-
Personal Loan Repayment Calculator NZ 2026
Calculate monthly repayments, total interest, and full cost of a personal loan in New Zealand.
-
Personal Loan vs Credit Card Calculator NZ
Compare a personal loan against a credit card for the same borrowing in New Zealand. See the total interest and time to repay each way, and which costs you less.
-
Personal Loans vs Overdrafts Guide
Understand personal loans vs overdrafts in NZ: structure, repayment, flexibility, cashflow effects, behavioural risks, warning signs.
-
Personal Runway Calculator NZ 2026/27
How many months your savings last before the business must pay you, the date they run out, and the drawings that reach a target. NZ.
-
Pet Bond Calculator NZ
The maximum pet bond (2 weeks), general bond (4 weeks) and total bond (up to 6 weeks) under the rules from 1 December 2025. NZ.
-
Pet Food Cost Calculator NZ
Work out how much your pet's food costs per day, month and year in New Zealand from the daily amount fed and the price per kilogram.
-
NZ Pet Insurance Calculator 2026
Free NZ pet insurance premium estimator for dogs and cats. Compare accident-only, mid-range, and comprehensive cover.
-
Pet Insurance vs Savings Calculator NZ
Compare paying pet insurance premiums against self-insuring by saving the same amount for vet bills in New Zealand. See which is likely to leave you better off.
-
Pet Lifetime Cost Calculator NZ
Work out the lifetime cost of owning a pet in New Zealand. Add setup costs and yearly food, vet and insurance to see the total, annual and monthly cost.
-
Pet Ownership Cost Calculator NZ
Understand the true lifetime cost of a pet in New Zealand, well beyond the purchase price.
-
Housing in Petone Central
What housing costs in Petone Central, Lower Hutt City: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Petone East
What housing costs in Petone East, Lower Hutt City: median weekly rent $494, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Petone Esplanade
What housing costs in Petone Esplanade, Lower Hutt City: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
NZ Petrol and Diesel Prices 2026
91 unleaded is about $3.10 to $3.40 a litre in 2026 and diesel about $3.20. What makes up a litre: importer cost, excise, ETS, the ACC levy and GST.
-
Petrol to RUC Calculator NZ
What you will pay when petrol cars move from fuel excise (about 70c a litre) to road user charges at $76 per 1,000 km. More, or less?
-
Petrol vs Public Transport Calculator NZ
Compare the cost of driving to work against public transport in New Zealand, including fuel, parking and running costs versus fares.
-
PGG Wrightson Real Estate Commission Calculator
Estimate PGG Wrightson Real Estate real estate commission on a New Zealand property sale. Free calculator using PGG Wrightson Real Estate's tiered structure, with GST...
-
pH and pOH Calculator
Calculate pH, pOH, hydrogen ion and hydroxide ion concentration from a known hydrogen ion concentration. Fast chemistry tool with clear logarithmic formulae.
-
pH Calculator
Convert between pH, pOH, hydrogen ion concentration [H+], and hydroxide concentration [OH-]. Returns acid or base classification.
-
PHEV RUC Calculator NZ
Free NZ PHEV RUC calculator. Plug-in hybrids pay a reduced $38.00 per 1,000 km because they also pay petrol excise. Annual RUC, admin fees and cost per km.
-
Housing in Phillipstown
What housing costs in Phillipstown, Christchurch City: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Phone and Internet Business Use Calculator NZ 2026
The business share of a home phone and internet bill: the 50% landline rule, valued at your marginal rate, with double claims blocked. NZ.
-
Phone and Internet Plans: what NZ households spend per week
What New Zealand households spend on phone and internet plans each week, from the Stats NZ Household Economic Survey 2023, with every survey year since 2007 and what the...
-
Phone Plan Comparison Calculator NZ
Compare mobile plans in New Zealand on their real annual cost for your usage, including any device cost spread over the term.
-
Phones and Modems: what NZ households spend per week
What New Zealand households spend on phones and modems each week, from the Stats NZ Household Economic Survey 2023, with every survey year since 2007 and what the...
-
Photon Energy Calculator
Calculate the energy of a photon from its wavelength or frequency, in joules and electronvolts, using E = hc/lambda and E = hf. Planck constant 6.626e-34 J s.
-
Physics and motion questions, answered
Force, energy, work and power, velocity and acceleration, momentum, torque, projectiles, waves and optics.
-
Pi Attenuator Calculator
Free Pi attenuator calculator. Enter the attenuation in dB and the impedance to get the series and shunt resistor values for a symmetric Pi-pad.
-
PIE Prescribed Investor Rate (PIR) Calculator
Find your correct PIR for PIE investments like KiwiSaver. Enter your last two years of taxable income and PIE income to see the right prescribed investor rate in NZ.
-
PIE Savings vs Bank Savings Calculator NZ 2026/27
Free NZ calculator comparing a PIE savings account taxed at your PIR against an ordinary bank savings account taxed at your marginal rate.
-
Pig and Goat Feed Cost Calculator NZ
Work out what it costs to feed pigs or goats through to a target weight, the cost per kilogram of gain, and the cost per kilogram of carcass once dressing out is counted.
-
Pig Gestation Calculator NZ
When a sow is due to farrow: about 114 days, three months, three weeks and three days, with a narrow window either side.
-
Housing in Piha
What housing costs in Piha, Auckland: median weekly rent $546, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pihauatua
What housing costs in Pihauatua, Palmerston North City: median weekly rent $312, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pine Hill-Dalmore
What housing costs in Pine Hill-Dalmore, Dunedin City: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pinehaven
What housing costs in Pinehaven, Upper Hutt City: median weekly rent $519, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pinehill North
What housing costs in Pinehill North, Auckland: median weekly rent $700, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pinehill South
What housing costs in Pinehill South, Auckland: median weekly rent $700, the ownership and renting split, and household income, from the 2023 Census.
-
Pipe Pressure Drop Calculator NZ
Calculate the pressure drop and head loss for fluid flow in a pipe using the Darcy-Weisbach equation, from the friction factor, length, diameter, density and velocity.
-
Pipe Volume & Flow Calculator NZ 2026
The water in a pipe and its flow: enter internal diameter, length and velocity for litres, cubic metres, area and litres per minute.
-
Pipe Volume Calculator
Calculate the internal volume of a pipe in litres and cubic metres from inner radius and length. Also calculates fill time at a given flow rate in litres per minute.
-
Pipeline Coverage Calculator
Work out your sales pipeline coverage ratio from total pipeline value and your sales target. See how many times over your pipeline covers quota.
-
Housing in Pipitea-Kaiwharawhara
What housing costs in Pipitea-Kaiwharawhara, Wellington City: median weekly rent $730, the ownership and renting split, and household income, from the 2023 Census.
-
PIR / PIE Tax Rate Optimiser NZ
Compare the after-tax return of a PIE fund at your PIR against a non-PIE investment taxed at your marginal rate in New Zealand, and see the tax a PIE can save you.
-
PIR Optimisation Calculator NZ
Your correct PIR for a PIE fund or KiwiSaver, and the tax you save by using it instead of the default 28%. Free NZ calculator.
-
PIR Overpayment Recovery Calculator NZ 2026/27
Free NZ calculator showing what using the wrong prescribed investor rate has cost you across the last five tax years.
-
Housing in Pirimai East
What housing costs in Pirimai East, Napier City: median weekly rent $415, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pirimai West
What housing costs in Pirimai West, Napier City: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pirongia
What housing costs in Pirongia, Waipa District: median weekly rent $425, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pirongia Forest
What housing costs in Pirongia Forest, Ōtorohanga District: median weekly rent $177, the ownership and renting split, and household income, from the 2023 Census.
-
pKa and Ka Calculator
Free pKa calculator. Convert an acid dissociation constant Ka to pKa, or pKa back to Ka, with an acid strength guide.
-
pKb and Kb Calculator
Free pKb calculator. Convert a base dissociation constant Kb to pKb, or pKb back to Kb, and see the matching pKa via pKa + pKb = 14.
-
Placeholder Image Calculator NZ
Generate a placeholder image of any size, with its aspect ratio, megapixels and a ready-to-use placeholder URL. Enter width and height to preview a dummy image.
-
Planning Your Finances Before Changing Jobs
How to prepare your finances before changing jobs in New Zealand, comparing total pay not just salary, the gap between jobs, KiwiSaver and leave, and a sensible buffer.
-
Plasterboard Calculator NZ
Free NZ plasterboard calculator. Enter your room size to work out how many sheets of plasterboard (Gib) you need for the walls and ceiling.
-
Platform Switching Cost Calculator NZ 2026/27
Free NZ calculator for the full cost of moving a portfolio between platforms: exit fees, buy and sell spreads, currency conversion and the time out of the market.
-
Housing in Playford Park
What housing costs in Playford Park, Horowhenua District: median weekly rent $390, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pleasant Heights
What housing costs in Pleasant Heights, Rotorua District: median weekly rent $460, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pleasant Point
What housing costs in Pleasant Point, Timaru District: median weekly rent $330, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Plimmerton
What housing costs in Plimmerton, Porirua City: median weekly rent $510, the ownership and renting split, and household income, from the 2023 Census.
-
Pocket Money Guide NZ
Complete NZ guide to pocket money, chores-for-pay, first jobs, tax-free limits for children, the three jars rule, and opening a kids bank account.
-
Housing in Poets Block
What housing costs in Poets Block, Upper Hutt City: median weekly rent $523, the ownership and renting split, and household income, from the 2023 Census.
-
pOH Calculator
Calculate pOH from pH or hydroxide ion concentration, or find pH and hydrogen ion concentration from pOH.
-
Housing in Pohangina-Apiti
What housing costs in Pohangina-Apiti, Manawatu District: median weekly rent $200, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Poike
What housing costs in Poike, Tauranga City: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point Chevalier East
What housing costs in Point Chevalier East, Auckland: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point Chevalier North
What housing costs in Point Chevalier North, Auckland: median weekly rent $630, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point Chevalier West
What housing costs in Point Chevalier West, Auckland: median weekly rent $510, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point England North
What housing costs in Point England North, Auckland: median weekly rent $148, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point England South
What housing costs in Point England South, Auckland: median weekly rent $278, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Point View
What housing costs in Point View, Auckland: median weekly rent $720, the ownership and renting split, and household income, from the 2023 Census.
-
Poisson Confidence Interval Calculator NZ
Calculate a confidence interval for a Poisson count or rate from an observed number of events. Choose the confidence level to get the lower and upper bounds.
-
Poisson Distribution Calculator
Poisson probabilities for any expected rate: the PDF, CDF, mean, variance and interactive charts from the mean occurrences.
-
Poisson Probability Calculator
Work out Poisson probabilities from the average rate lambda and a count k. See the chance of exactly k events and the chance of k or fewer events.
-
Poker Odds Calculator
Turn your outs into winning odds: exact equity after the flop or turn, rule of 4 and 2 estimates, and the pot odds you need to make the call profitable.
-
Housing in Pokuru
What housing costs in Pokuru, Waipa District: median weekly rent $300, the ownership and renting split, and household income, from the 2023 Census.
-
Polar to Complex Calculator
Free polar to complex calculator. Enter a modulus r and angle theta to get the rectangular form a + bi of a complex number.
-
Polynomial Long Division Calculator
Free polynomial long division calculator. Enter the dividend and divisor coefficients to get the quotient and remainder.
-
Polynomial Roots Calculator
Find roots of a polynomial up to degree 3. Enter coefficients for linear, quadratic, or cubic equations and get all real roots, root count, and root type.
-
Housing in Pomare
What housing costs in Pomare, Rotorua District: median weekly rent $460, the ownership and renting split, and household income, from the 2023 Census.
-
Pomodoro Timer
Free Pomodoro timer. 25-minute work sessions with 5-minute breaks. Audio alerts, session tracking, and configurable durations.
-
Housing in Pongakawa
What housing costs in Pongakawa, Western Bay of Plenty District: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Ponsonby East
What housing costs in Ponsonby East, Auckland: median weekly rent $680, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Ponsonby West
What housing costs in Ponsonby West, Auckland: median weekly rent $545, the ownership and renting split, and household income, from the 2023 Census.
-
Pool Build Cost Calculator NZ 2026
Fibreglass or concrete: enter the pool size, add fencing, landscaping and a contingency for an all-in NZ build total.
-
Pool Running Cost Calculator NZ
Estimate the annual cost of running a pool in New Zealand, from pump power to chemicals and heating.
-
Pool Salt Calculator NZ
Work out how many kilograms of pool salt to add to reach your chlorinator target salinity, and how many bags that is. Enter volume, current ppm and target ppm.
-
Pool Volume Calculator NZ
Work out how many litres of water are in your swimming pool. Rectangular, round or oval, with a sloping floor. Returns litres, cubic metres and surface area.
-
Pooled Standard Deviation Calculator
Calculate the pooled standard deviation of two groups, the weighted combination of their variances used in t-tests and effect size. Paste each group's data.
-
Population Within a Distance Calculator NZ
Work out how many people live within any distance of any New Zealand area, and how that has changed since 2022. Free, from the Stats NZ population grid.
-
Housing in Poraiti Flat
What housing costs in Poraiti Flat, Napier City: median weekly rent $680, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Poraiti Hills
What housing costs in Poraiti Hills, Napier City: median weekly rent $415, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Porirua Central
What housing costs in Porirua Central, Porirua City: median weekly rent $720, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Porirua East
What housing costs in Porirua East, Porirua City: median weekly rent $352, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Porritt
What housing costs in Porritt, Hamilton City: median weekly rent $380, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Port Chalmers
What housing costs in Port Chalmers, Dunedin City: median weekly rent $300, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Port Waikato-Waikaretu
What housing costs in Port Waikato-Waikaretu, Waikato District: median weekly rent $250, the ownership and renting split, and household income, from the 2023 Census.
-
Portfolio Allocation by Age Calculator NZ
Get a suggested growth versus defensive split for your investments by age in New Zealand, adjusted for your risk appetite, with the dollar split for your portfolio.
-
Portfolio Rebalancing Calculator NZ
Rebalance to your target mix: exactly how much to buy, sell or contribute to restore your growth and income allocation. NZ.
-
Post-Hole Concrete Calculator NZ 2026
Work out the concrete and number of premix bags to set fence, deck or pergola posts in New Zealand.
-
Postal Services: what NZ households spend per week
What New Zealand households spend on postal services each week, from the Stats NZ Household Economic Survey 2023, with every survey year since 2007 and what the category...
-
Housing in Postgate
What housing costs in Postgate, Porirua City: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Postgrad Study vs Work & Invest Calculator NZ 2026
Postgrad study or keep working? The cost and salary uplift of the qualification against investing the money instead. For New Zealanders.
-
Potential Energy Calculator
Calculate gravitational potential energy, mass, or height using PE = mgh. Returns energy in Joules, kilojoules, and kilowatt-hours with g = 9.81 m/s squared default.
-
Housing in Poukawa
What housing costs in Poukawa, Hastings District: median weekly rent $375, the ownership and renting split, and household income, from the 2023 Census.
-
Pounds to Grams Converter
Convert pounds to grams instantly. Enter any weight in pounds (lb) and get the exact result in grams (g). Includes a quick-reference table and worked examples.
-
Housing in Poutoa
What housing costs in Poutoa, Palmerston North City: median weekly rent $570, the ownership and renting split, and household income, from the 2023 Census.
-
Power and household bills
Nine steps through New Zealand household bills: reading a power bill, switching retailer, time-of-use plans, appliance running costs, broadband and mobile, solar...
-
Power Bill Estimator NZ
Estimate your New Zealand power bill from your daily kWh usage, unit price and daily fixed charge. See the variable and fixed parts and an annual projection.
-
Power Calculator (P = W / t)
Free power calculator. Solve P = W / t for power, work (energy) or time. Power is the rate of doing work.
-
Power Calculator (Physics)
Free physics power calculator. Divide work or energy by time to get power in watts, kilowatts and mechanical horsepower. Formula and worked example included.
-
Power Converter
Convert power between watts, kilowatts, megawatts, mechanical horsepower, BTU per hour and calories per second. Instant multi-unit output.
-
Power Factor Calculator
Calculate power factor from real power and apparent power, with the phase angle and reactive power. Free power factor calculator for AC electrical circuits.
-
Power Plan Comparison Calculator NZ
Compare electricity plans in New Zealand to find the cheapest for how you actually use power.
-
Power Tower (Tetration) Calculator
Free power tower calculator. Enter a base and a height to evaluate the right-associated power tower a^(a^(a^...)), also called tetration.
-
Power, Broadband and Mobile Bills Decoded NZ
Variable against fixed charges, low user plans, Powerswitch and Broadband Compare, bundle traps, exit fees and switching. NZ bills.
-
Power-to-Weight Ratio Calculator
Free power-to-weight ratio calculator. Enter power and mass in any units to get W/kg, kW/tonne, hp per tonne and hp per pound. Formula and worked example included.
-
ppm Concentration Calculator
Calculate concentration in parts per million (ppm) from the amount of solute and solution. Free ppm calculator showing ppm, ppb and percent, with mg/L for water.
-
Pre-Settlement Inspection Defects Calculator NZ
Something wrong at final inspection: what the claim is genuinely worth, why chattels claim at present value, and what happens on the day.
-
Housing in Prebbleton North
What housing costs in Prebbleton North, Selwyn District: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Prebbleton South
What housing costs in Prebbleton South, Selwyn District: median weekly rent $582, the ownership and renting split, and household income, from the 2023 Census.
-
Pregnancy Weight Gain Calculator NZ 2026
Estimate a healthy pregnancy weight gain range based on your pre-pregnancy BMI and how many weeks along you are, using the established Institute of Medicine guidelines.
-
NZ Prescription and GP Costs 2026
The $5 prescription co-payment, free prescriptions for under-14s, the 20-item family cap, and what a GP visit typically costs. NZ.
-
Present Value of Annuity Calculator
Enter the yearly payment, years and interest rate to find what a future stream of equal payments is worth in today's dollars.
-
Present Value of Annuity Guide
Learn how to calculate present value of annuity to value pension streams, determine loan payments, and evaluate regular income investments.
-
Pressure at Depth Calculator NZ
Calculate the water or fluid pressure at a given depth, both gauge and absolute, from the fluid density and depth. Useful for diving, tanks and hydrostatics.
-
Pressure Calculator
Calculate pressure from force and area using P = F/A, or fluid pressure from depth using P = rho·g·h.
-
Pressure Converter
Convert pressure between pascals, kilopascals, megapascals, bar, psi, atmospheres, mmHg and inHg. Instant multi-unit output with a worked example.
-
Housing in Prestons
What housing costs in Prestons, Christchurch City: median weekly rent $578, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Prestons Park
What housing costs in Prestons Park, Christchurch City: median weekly rent $640, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Prestonville-Grasmere
What housing costs in Prestonville-Grasmere, Invercargill City: median weekly rent $380, the ownership and renting split, and household income, from the 2023 Census.
-
Price Elasticity of Demand Calculator
PED by the midpoint method: old and new quantity and price give the coefficient, its classification and the full working.
-
Price Elasticity of Demand Guide
Learn how to calculate and interpret price elasticity of demand to optimize pricing, maximize revenue, and understand consumer behavior.
-
Price Elasticity of Supply Calculator
PES by the midpoint method: old and new supply and price give the coefficient, its classification and a step-by-step workthrough.
-
Price Elasticity of Supply Guide
Learn how to calculate and use price elasticity of supply to understand producer responsiveness, optimize production decisions, and analyze market dynamics.
-
Price Increase Calculator
Work out a new price after a percentage increase. Enter your current price and the rise to see the new price and the dollar change instantly.
-
Pricing Your Home to Sell in NZ
How appraisals are produced, why the highest one is not the best one, and how to reason about comparable sales yourself before you set a price.
-
Prime Counting Function Calculator
Free prime counting calculator. Enter n to get pi(n), the number of primes less than or equal to n, and the largest prime in that range.
-
Prime Factorisation Calculator
Free prime factorisation calculator. Enter a whole number to break it into its prime factors in index form, with the count of prime factors and distinct primes.
-
Prime Factorization Calculator
Free prime factorization calculator. Break any whole number down into its prime factors, shown as a product and in exponent form, with the factor tree logic explained.
-
Prime Number Checker
Check whether any whole number is prime. Enter any integer and instantly find out if it is prime or composite, see its factors, and learn the primality test method used.
-
Prime Number Test Calculator
Free prime number test. Enter a whole number to check whether it is prime, and if not, see its smallest divisor.
-
Principal Payback Milestone Calculator NZ 2026
When your mortgage reaches 25%, 50%, 75% and full payoff, from your loan amount, rate and term. Free NZ calculator.
-
Prioritising Bills When Money Is Tight
How to decide which bills to pay first when money is short in New Zealand, which costs protect your home and income, and how to get help before falling behind.
-
Privacy Policy
No accounts, no sign-up and no personal data collection. The analytics and advertising cookies used, and your NZ Privacy Act 2020 rights.
-
Private Health Insurance vs Self-Fund Calculator NZ
Compare paying private health insurance premiums over time against self-funding by investing the same money in New Zealand, and see the pot you would build instead.
-
Private Sale vs Agent Calculator NZ 2026
Selling privately against using an agent: commission, GST, marketing and your own time, netted off to what you keep either way. NZ.
-
Private vs State School Calculator NZ
Private against state schooling with real 2026 fees from ten schools, plus what investing the difference could grow to. NZ.
-
Pro-Rata Salary Calculator NZ 2026
Enter the full-time salary and hours, then your part-time hours, for pro-rata annual, monthly, fortnightly and weekly pay. NZ.
-
Probability Calculator
Basic and combined events, conditional probability, Bayes, permutations, combinations and the binomial and normal distributions.
-
Probate Explained
What probate is in New Zealand, when it is needed, how the process works, the role of the executor, and how good planning can make settling an estate simpler.
-
Problem Gambling: A Money Recovery Plan
The money side of gambling harm in New Zealand: bank blocks, self-exclusion, free confidential help on 0800 654 655 and MoneyTalks 0800 345 123, and rebuilding.
-
Product Qualified Account Rate (PQA) Calculator
Calculate your product qualified account rate from total accounts and qualified accounts. See the PQA percentage instantly for account based SaaS funnels.
-
Product Qualified Leads (PQL) Calculator
Work out your product qualified leads and PQL rate from total signups and qualified leads. See the count and conversion percentage instantly for your SaaS funnel.
-
Product Stickiness Calculator
Work out product stickiness from your DAU and MAU. See the DAU/MAU percentage and the average days per month each user is active, instantly.
-
Product to Sum Calculator
Free product to sum calculator. Enter two angles to evaluate sin A sin B, cos A cos B and sin A cos B, with the product to sum identities.
-
Profit Margin Calculator NZ 2026
Calculate gross profit margin, nominal profit, cost ratio, and profit ratio for any product or service.
-
Profit Margin Guide
Learn how to calculate and improve profit margins, optimize pricing strategies, and maximize business profitability across different industries.
-
Profit-Sharing Distribution Calculator
Split a profit pool fairly between up to four people or units using weighted shares. See each dollar amount and the percentage of the pool instantly.
-
Progress Payment Build Drawdown Calculator NZ
Estimate the interest you pay during a house build in New Zealand as the bank draws down progress payments, based on your build cost, build length and interest rate.
-
Progress Payment Cashflow Calculator NZ 2026
Deposit and progress claims against payment on completion: the peak cash to fund, time out of pocket, and what funding costs. NZ.
-
Projectile Motion Calculator
Calculate projectile motion: range, maximum height, time of flight, and landing speed. Enter launch speed, angle, and initial height to get full trajectory analysis.
-
Projectile Motion with Air Drag Calculator NZ
Simulate projectile motion including air drag to find the range, maximum height and flight time, and compare with the ideal vacuum range.
-
Projectile Range Calculator
Calculate the range, maximum height and flight time of a projectile from launch speed, angle and gravity. Free physics calculator with worked example.
-
Property Break-Even Holding Period Calculator NZ
Estimate how many years you need to hold a New Zealand property for capital growth to cover the cost of buying and selling it, so a short hold does not lose money.
-
Property Brokers Commission Calculator
Estimate Property Brokers real estate commission on a New Zealand property sale. Free calculator using Property Brokers's tiered structure, with GST. Indicative only...
-
Property Capital Value Change Calculator NZ 2026
Calculate the annualised capital value change for any NZ property. Enter purchase value, current value, and years held to see the compound annual growth rate.
-
Property Capitalisation Rate Calculator
Net operating income over market value: the cap rate that compares NZ investment properties on a like-for-like basis.
-
Property Deal Analyser NZ 2026/27
Weekly cash position before and after tax, yields, cash-on-cash, break-even rent and rate, and total return over your hold. NZ.
-
Property Development Feasibility Calculator NZ 2026
Land, build and holding costs against expected end value: profit margin, return on investment and break-even for a NZ development.
-
Property Investment Calculator NZ 2026
Rental yield, annual cash flow and total ROI including capital gain, from price, rent, expenses, mortgage and tax settings. NZ.
-
Property Legal Fees Calculator NZ
Estimate the legal and conveyancing costs of buying or selling property in New Zealand, including the lawyer's fee, LINZ and search disbursements and GST.
-
Property Location Cost Calculator NZ 2026
Commute costs and regional price differences: the true cost of choosing one NZ location over another.
-
Property Maintenance: what NZ households spend per week
What New Zealand households spend on property maintenance each week, from the Stats NZ Household Economic Survey 2023, with every survey year since 2007 and what the...
-
Property Manager Fee vs Self-Manage Calculator NZ
A property manager against self-managing: management and letting fees weighed against your own time and direct costs. NZ.
-
Property New Build Calculator NZ 2026
Floor area, land cost, build rate per m2 and the additional costs: a full budget breakdown for a NZ new build.
-
Property Offer Strategy Calculator NZ 2026/27
The loan, LVR, weekly repayment and lifetime interest at asking price and above, and what each extra $10,000 on your offer costs. NZ.
-
Property Ownership Cost Calculator NZ
Compare the ongoing cost of different property ownership types in New Zealand: freehold, cross-lease, unit title and leasehold.
-
Property Ownership Types
The main property ownership types in New Zealand: freehold, cross-lease, unit title, and leasehold, what each means, and what to check before buying.
-
Property Portfolio Equity Calculator NZ
Work out your total equity and loan-to-value ratio across several properties in New Zealand.
-
Property Portfolio LVR Calculator NZ 2026/27
Every property aggregated into the single lending position a bank assesses: portfolio LVR and the equity available at the limits. NZ.
-
Property Purchase Scenario Model Calculator NZ
Income, properties, equity, KiwiSaver and debts in, the house price you can buy out, and which bank test limits you. Free NZ simulator.
-
NZ Property Rates & Insurance Affordability Calculator
Council rates by region, home and contents insurance and the EQC levy, added into the yearly cost of owning. Free NZ calculator.
-
NZ Property Sale Tax Triggers Calculator (All Rules)
Free NZ property sale tax calculator covering ALL land sale provisions: bright-line test, purpose of resale, dealer rule, builder rule, subdivision scheme, rezoning.
-
NZ Property Tax Rules Summary 2026
The 2-year bright-line test, full interest deductibility from April 2025, main home exclusion, ring-fencing and land sale rules. NZ.
-
Property Upsize or Downsize Calculator NZ
See the true cost of upsizing or downsizing your home in NZ: agent commission and GST, legal and moving costs, your new mortgage and equity.
-
Property Yield vs Term Deposit Calculator NZ
Compare the net rental yield of an investment property against a term deposit in New Zealand. See which delivers more income return after costs, on a like-for-like basis.
-
Proportion Calculator
Solve a proportion a/b = c/d for any missing value. Returns the unknown, the completed proportion, both cross-products, and a ratio verification to confirm the equality.
-
Proposed 45% Top Tax Rate Calculator NZ
Model a hypothetical new top income tax rate in New Zealand. Set the rate and the threshold to see the extra tax against the current 39% top rate. Speculative, not law.
-
Proposed Asset Tax Calculator NZ
Model a hypothetical New Zealand asset or wealth tax. Set the threshold and move the rate slider to see the annual cost on your net assets. No such tax exists in NZ.
-
Proposed Business Tax Calculator NZ
Model a hypothetical change to New Zealand's company tax rate. Move the slider from the current 28% to see the effect on your company's tax bill. Speculative, not law.
-
Proposed Capital Gains Tax Calculator NZ
Model a hypothetical New Zealand capital gains tax. Move the rate slider to see what a CGT would cost on a property or share sale.
-
Proposed Digital Services Tax Calculator NZ
Model a hypothetical New Zealand digital services tax on revenue from NZ users. Move the slider to set the rate.
-
Proposed Gift Tax Calculator NZ
Model a hypothetical New Zealand gift tax. Set an annual exempt amount and move the rate slider to see the duty on a gift. Gift duty was abolished in NZ in 2011.
-
Proposed Inheritance Tax Calculator NZ
Model a hypothetical New Zealand inheritance or estate tax. Set a threshold and move the rate slider to see the tax on an estate. Estate duty was abolished in 1992.
-
Proposed Land Tax Calculator NZ
Model a hypothetical New Zealand land tax on unimproved land value. Move the rate slider and set a threshold to see the annual cost. No land tax exists in NZ.
-
Proposed Rental Income Tax Calculator NZ
Model a hypothetical surcharge on New Zealand rental income, on top of normal income tax. Move the slider to set the rate and see the annual cost. Speculative, not law.
-
Proposed Tax Calculators NZ
Speculative calculators for taxes New Zealand does not have: capital gains, land, wealth, inheritance, gift and more. Set the rate yourself. None of these are law.
-
Prorated Rent - Moving In or Out Mid-Month (NZ)
What prorated rent is, when it applies, calculating daily rent, bond and final payments, with a Wellington flatting scenario.
-
Protein Intake Calculator NZ 2026
Work out how much protein to eat each day based on your weight and goal, whether maintaining, staying active, building muscle or losing fat.
-
NZ Provisional Tax Calculator 2026
Provisional tax by the standard uplift: prior year RIT in, your three instalments and due dates out. Updated for 2026/27, NZ.
-
Provisional Tax Due Date Calculator NZ 2026/27
Free NZ provisional tax due date calculator. Enter your balance date, GST basis and tax agent status to get your instalment dates and terminal tax date. IRD verified.
-
Provisional Tax Explained
Complete guide to NZ provisional tax: who pays, how it works, payment dates, penalties for underpayment, and strategies to manage cashflow.
-
Provisional Tax Explained Guide
Understand provisional tax in New Zealand: why it exists, the standard, estimation and AIM methods, the instalment dates, safe harbour.
-
Provisional Tax Method Comparison Calculator NZ 2026/27
Compare New Zealand's four provisional tax methods, standard uplift, estimation, ratio, and AIM, side by side using your own residual income tax and expected income.
-
NZ Provisional Tax Thresholds, Methods and Due Dates 2026/27
The $5,000 RIT threshold, the four methods, due dates, UOMI at 8.97% underpayment, safe harbour and tax pooling. NZ reference.
-
Provisional Tax Uplift Calculator NZ
Each uplift instalment from your prior year RIT, compared against an estimate from your expected profit. NZ provisional tax.
-
Provisional vs Terminal Tax Calculator
Work out your terminal tax, the wash-up between your total income tax for the year and the provisional tax you have paid. See whether you owe more or get a refund.
-
PTE to IELTS Score Calculator
Convert a PTE Academic score to the equivalent IELTS band on Pearson's July 2025 concordance, and see the PTE score needed for your target band.
-
Housing in Ōpua (Far North District)
What housing costs in Ōpua (Far North District), Far North District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Public Holiday Pay
How public holiday pay works in New Zealand, time and a half, the alternative day off, what otherwise working day means, and how it applies if you do or do not work.
-
NZ Public Holiday Pay Calculator 2026
Free NZ public holiday pay calculator. Work out your pay for working on a public holiday: time-and-a-half plus an alternative day off.
-
NZ Public Holidays 2026 and 2027
All 11 NZ public holidays for 2026: actual and observed dates, which are Mondayised, what each pays at time and a half, plus every regional anniversary day.
-
Public Sector Redundancy Pay NZ: What the Collective Agreements Say
No law sets redundancy pay in NZ. One public service agreement worked clause by clause: the formula, notice, leave, and the rule that cancels the payment.
-
Public Transport FBT Exemption Checker NZ
Free NZ FBT exemption checker for employer-paid public transport. Bus, train, ferry, cable car, e-bikes, and scooters for home-to-work travel. 1 April 2023 rules.
-
Housing in Puhinui East
What housing costs in Puhinui East, Auckland: median weekly rent $516, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puhinui North
What housing costs in Puhinui North, Auckland: median weekly rent $510, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puhinui South
What housing costs in Puhinui South, Auckland: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puhoi Valley
What housing costs in Puhoi Valley, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukehangi North
What housing costs in Pukehangi North, Rotorua District: median weekly rent $430, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukehangi South
What housing costs in Pukehangi South, Rotorua District: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukehina Beach
What housing costs in Pukehina Beach, Western Bay of Plenty District: median weekly rent $460, the ownership and renting split, and household income, from the 2023...
-
Housing in Pukekawa
What housing costs in Pukekawa, Waikato District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe Central
What housing costs in Pukekohe Central, Auckland: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe Hospital
What housing costs in Pukekohe Hospital, Auckland: median weekly rent $528, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe North
What housing costs in Pukekohe North, Auckland: median weekly rent $525, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe North West
What housing costs in Pukekohe North West, Auckland: median weekly rent $470, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe South West
What housing costs in Pukekohe South West, Auckland: median weekly rent $610, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukekohe West
What housing costs in Pukekohe West, Auckland: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukemoremore
What housing costs in Pukemoremore, Waikato District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukenui
What housing costs in Pukenui, Whangarei District: median weekly rent $466, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukerimu
What housing costs in Pukerimu, Waipa District: median weekly rent $350, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukerua Bay
What housing costs in Pukerua Bay, Porirua City: median weekly rent $528, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puketapu-Eskdale
What housing costs in Puketapu-Eskdale, Hastings District: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukete East
What housing costs in Pukete East, Hamilton City: median weekly rent $530, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pukete West
What housing costs in Pukete West, Hamilton City: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puketitiri-Tutira
What housing costs in Puketitiri-Tutira, Hastings District: median weekly rent $200, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puketona-Waitangi
What housing costs in Puketona-Waitangi, Far North District: median weekly rent $270, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puketotara
What housing costs in Puketotara, Far North District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Pulley RPM Calculator
Calculate the driven pulley RPM from the driver pulley size, driver RPM and driven pulley size. Free pulley calculator with the drive ratio and belt speed.
-
Pump Power Calculator
Calculate the hydraulic and shaft power a pump needs from the flow rate, head, efficiency and fluid density. Free pump power calculator in kW with the formula.
-
Housing in Ōpunake
What housing costs in Ōpunake, South Taranaki District: median weekly rent $272, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puni
What housing costs in Puni, Auckland: median weekly rent $470, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Puniu
What housing costs in Puniu, Ōtorohanga District: median weekly rent $245, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Putiki
What housing costs in Putiki, Whanganui District: median weekly rent $200, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Putāruru
What housing costs in Putāruru, South Waikato District: median weekly rent $330, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Putāruru Rural
What housing costs in Putāruru Rural, South Waikato District: median weekly rent $250, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pyes Pa East
What housing costs in Pyes Pa East, Tauranga City: median weekly rent $500, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pyes Pa North
What housing costs in Pyes Pa North, Tauranga City: median weekly rent $600, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pyes Pa North West
What housing costs in Pyes Pa North West, Tauranga City: median weekly rent $630, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pyes Pa South
What housing costs in Pyes Pa South, Tauranga City: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pyes Pa West
What housing costs in Pyes Pa West, Tauranga City: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Pyramid Volume and Surface Area Calculator
Calculate the volume and surface area of a pyramid. Supports square, rectangular, and triangular base pyramids. Instant results with worked formulas.
-
Pythagorean Theorem Calculator
Free Pythagorean theorem calculator. Enter two sides of a right triangle to find the third, using a squared plus b squared equals c squared.
-
Housing in Pāremoremo East
What housing costs in Pāremoremo East, Auckland: median weekly rent $550, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pāremoremo West
What housing costs in Pāremoremo West, Auckland: median weekly rent $538, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pārua Bay
What housing costs in Pārua Bay, Whangarei District: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pātaua
What housing costs in Pātaua, Whangarei District: median weekly rent $450, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pātea
What housing costs in Pātea, South Taranaki District: median weekly rent $230, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pāuanui
What housing costs in Pāuanui, Thames-Coromandel District: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pāuatahanui
What housing costs in Pāuatahanui, Porirua City: median weekly rent $400, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pōhara-Abel Tasman
What housing costs in Pōhara-Abel Tasman, Tasman District: median weekly rent $345, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pōkeno North
What housing costs in Pōkeno North, Waikato District: median weekly rent $650, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pōkeno Rural
What housing costs in Pōkeno Rural, Waikato District: median weekly rent $471, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Pōkeno South
What housing costs in Pōkeno South, Waikato District: median weekly rent $674, the ownership and renting split, and household income, from the 2023 Census.
-
Housing in Ōpōtiki
What housing costs in Ōpōtiki, Ōpōtiki District: median weekly rent $300, the ownership and renting split, and household income, from the 2023 Census.
Listed from the site's own index of its pages, rebuilt whenever pages change. Last reviewed 2026-09-07. See also every question the site answers, the finance glossary and the guides.