Mortgage Interest Rate Comparison Calculator NZ 2026

With any mortgage or home loan one of the most important factors to ensuring that you get an affordable rate is receiving a favourable interest rate from the lender, such as a bank. As there are many different options for loan repayment terms and many different interest rates on offer we have created a matrix that calculates how much you will have to pay back over each term and each interest rate so that you can see which payment you will need to make. This tool is also super handy when shopping around with lenders as you can see exactly how much you will be charged with their advertised rates. This super simple loan rate comparison calculator will quickly and accurately take away any need for you to do and calculations relating to term repayments. This calculator is pegged to repayments being made monthly to the mortage, allowing for 12 payments per year.

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Updated  Current rates and legislation applied.

Enter your information into the calculator below, and push Calculate.

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Cost of Mortgage Period
Repayment Per Period
Rate
5 Years
10 Years
15 Years
20 Years
25 Years
30 Years