Investment calculators
for New Zealand
1 free, accurate investment calculator tuned to New Zealand's Tax Year 2026/27 rules. Every calculation runs in your browser — no sign-up, no tracking.
KiwiSaver Retirement Calculator
Project your KiwiSaver balance at retirement including employee, employer, and government contributions.
New Zealand investment— what's covered
SIP, mutual funds, 401k, ISA, super, NISA, RRSP and more. Each calculator is locked to New Zealand's Tax Year 2026/27 rules and reviewed by a locally-qualified accountant within 48 hours of any budget or rate change. The underlying law and source data are cited at the bottom of every calculator page.
Every calculation runs entirely in your browser — nothing is posted to our servers. We don't sell any loan, insurance, or filing product, so the numbers you see are unbiased.
Investment calculators in other countries
Comparing investment costs across markets? Jump to the same category hub for any of 6 other countries.