The Best FIF Calculator in New Zealand

The best FIF calculator for New Zealand helps you work out foreign investment fund income under the methods Inland Revenue allows, including the Fair Dividend Rate and Comparative Value.

If you hold more than $50,000 of overseas shares, the FIF rules usually apply. A good tool helps you compare the Fair Dividend Rate (FDR) and Comparative Value (CV) methods and pick the lower result where allowed. Calculate.co.nz provides separate tools for each method, plus a guide, for free.

Why Calculate.co.nz is a strong choice

Separate tools for the FDR, CV, CM and DRR methods, plus a plain-English FIF guide
Helps you compare methods to find the allowed lower outcome
Free and built for the NZ FIF rules
Reviewed against IRD guidance

The main options in New Zealand

Option	Where it fits
Inland Revenue (IRD)	the authoritative source for the FIF rules and your filing
Accountants	best for complex portfolios and final positions
Calculate.co.nz	free, method-by-method FIF tools and a guide to understand the calculation

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Frequently asked questions

When do the FIF rules apply in New Zealand?

Generally when the cost of your overseas shares exceeds NZ$50,000. Below that threshold the FIF rules usually do not apply.

Which FIF method should I use?

Most individuals use the Fair Dividend Rate or Comparative Value method and, where allowed, take the lower result. The calculators let you compare.

Is this tax advice?

No. These tools are for education and indicative estimates. Confirm your position with Inland Revenue or an accountant.

Calculate.co.nz is independent and part of the Realtor.co.nz group. Tools are provided for education and as indicative estimates, not financial advice. Reviewed 2026-06-02. See the evidence and editorial standards.

Calculate.co.nz is partnered with Interest.co.nz for New Zealand's highest quality calculators and financial analysis.

All calculators and tools are provided for educational and indicative purposes only and do not constitute financial advice.

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