Browse Calculators by Country
Tax law is local. Pick a country to see the calculators built for that system, along with the rates and thresholds each one uses.
United States
Paycheck, mortgage, 1099 tax and 401(k) calculators
Reporting currency: USD
United Kingdom
Take-home pay, National Insurance and pension tools
Reporting currency: GBP
Canada
Net pay with federal, provincial, CPP and EI deductions
Reporting currency: CAD
Australia
Take-home pay, Medicare levy and superannuation tools
Reporting currency: AUD
New Zealand
Take-home pay after PAYE, the ACC earners' levy and KiwiSaver
Reporting currency: NZD
Ireland
Net pay after Income Tax, USC, PRSI and pension relief
Reporting currency: EUR
대한민국 (Korea)
연봉 실수령액, 퇴직금, 부가세, 대출이자 계산기
Reporting currency: KRW
Global Utilities
Everyday tools that work everywhere
Instant results
Every calculation runs in your browser with no round trip to a server.
Private by design
Salaries, loan balances and tax inputs never leave your device.
Documented rules
Each page lists the official rates it uses and the limits of its scope.
SmartPayCalc produces estimates for planning and education only. Rules differ by country and change over time — always confirm figures with the official revenue authority for your jurisdiction.