whika.nz

NZ financial calculators.

Easy-to-use calculators for your pay, tax, mortgage, and retirement. Free, fast, and accurate.

Calculators

Always current

Rates pulled straight from IRD, ACC, and interest.co.nz. Updated regularly.

No account needed

Every calculator works instantly in your browser. Nothing stored, nothing tracked.

Built for NZ

NZ tax brackets, NZ banks, NZ rules. Not an afterthought on a global tool.

NZ Salary Guide

Explore after-tax take-home pay for any NZ salary from $30k to $200k. See exactly what you'll earn monthly, fortnightly, weekly, and hourly.

Browse 35 salary breakdowns