CalculateLocal rules
Calculations reflect guidance from Inland Revenue and responsible bodies.
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Calculators for New Zealand
10 most popular calculators in New Zealand
PAYE Income Tax & KiwiSaver Deduction
PAYE Income Tax & KiwiSaver Deduction Calculator built around New Zealand rules, rates, and NZD amounts.
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Mortgage Repayment & Borrowing Power
Mortgage Repayment & Borrowing Power Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›Student Loan Repayment
Student Loan Repayment Calculator (Inland Revenue) built around New Zealand rules, rates, and NZD amounts.
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KiwiSaver Retirement Savings Projection
KiwiSaver Retirement Savings Projection Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›Net Salary Take-Home Pay
Net Salary Take-Home Pay Calculator built around New Zealand rules, rates, and NZD amounts.
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Bright-Line Property Test & Capital Gains
Bright-Line Property Test & Capital Gains Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›Car Loan & Finance
Car Loan & Finance Calculator built around New Zealand rules, rates, and NZD amounts.
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Working for Families Tax Credit
Working for Families Tax Credit Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›ACC Levy
ACC Levy Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›Student Allowance & Living Cost
Student Allowance & Living Cost Calculator built around New Zealand rules, rates, and NZD amounts.
View calculator ›CALCULATORS FOR EVERY DECISION
20localizedExplore all calculators for New Zealand
Choose a topic below to find tools built for NZD, local rules, and familiar number formats.
calculators
Tax & Salary
Income tax, deductions and take-home pay
Loans & Mortgages
Home, personal and vehicle financing
Savings & Investment
Interest, retirement and investment returns
Property
Property taxes, fees and affordability
Everyday
Percentages, dates, costs and utilities
Health & Fitness
BMI, calories and physical wellbeing
Work & Career
Pay, leave and employment planning
Family & Life
Family benefits and life planning
Travel & Transport
Fuel, vehicles and travel costs
Built for New Zealand rules and formats
NZD and local formatting
Results use the en-NZ locale and local number conventions.
Regional accuracy
Regional selectors support tax, property and benefit differences.
Current-year ready
We review thresholds, rates and guidance as changes are published.
Sources & trust
Our calculators use official guidance and transparent assumptions.
- Inland Revenue
- National statistics and monetary authorities
- Regional government portals where applicable
Important
Results are estimates and are not a substitute for professional financial, tax, legal or medical advice.
ⓘ Check official guidance before making a decision.Frequently asked questions
Are these calculators specific to New Zealand?
Yes. Currency, formatting and explanatory content are tailored to New Zealand.
Which financial year do the calculators use?
Each calculator identifies its applicable period, update date and assumptions.
How are numbers displayed?
Amounts use NZD and the en-NZ number format.
How often are calculators updated?
We review them annually and whenever an official rule changes.