New Zealand tools
Free New Zealand Daily Life Calculators
New Zealand GST, KiwiSaver, salary, housing, travel and household calculators with dated assumptions.
Useful calculators for people living and working in New Zealand
Each calculator includes its assumptions, source labels, instructions, FAQs, copy and download controls.
New Zealand GST Calculator
Add or remove New Zealand’s 15% GST and show GST-exclusive, tax and GST-inclusive values.
Free toolNew Zealand Daily Life ToolsNew Zealand KiwiSaver Calculator 2026
Estimate employee and employer KiwiSaver contributions using rates available from 1 April 2026.
Free toolFinance CalculatorsHourly to Salary Calculator
Convert hourly rate to annual salary.
Free toolFinance CalculatorsOvertime Pay Calculator
Calculate regular and overtime pay.
Free toolGlobal Daily Life ToolsMortgage Payment Calculator
Calculate monthly principal and interest plus optional property tax, insurance and association fees.
Free toolGlobal Daily Life ToolsRent Affordability Calculator
Estimate a comfortable monthly rent from household income, debt payments, utilities and a chosen rent-to-income target.
Free toolGlobal Daily Life ToolsFuel Trip Cost Calculator
Estimate fuel used, trip cost and cost per passenger using miles/MPG or kilometres/L per 100 km.
How to use these estimates responsibly
Country tax, payroll and property rules change. ToolnixHub displays the reviewed date and official references on regulated calculators. Results are educational estimates rather than tax returns, payroll advice, lender quotes or legal opinions.
Use the result to understand a scenario, then confirm important amounts with the relevant government calculator, employer, lender, solicitor, accountant or other qualified professional.