Accounting Samurai

Income Tax Calculator

Calculate income tax across 9 countries with resident and non-resident rates.

9 Countries

Australia, USA, UK, Canada, NZ, Ireland, Singapore, Hong Kong, and Japan.

Levies Included

Medicare, National Insurance, FICA, CPP/EI, and ACC.

Up-to-Date Rates

Current tax brackets and thresholds for each country.

Tax Information

Enter your total taxable income for the full tax year

About This Tool

Calculate your income tax obligations across 9 countries with our comprehensive tax calculator. Supports Australia, USA, UK, Canada, New Zealand, Ireland, Singapore, Hong Kong, and Japan with country-specific tax brackets, levies, and credits for both residents and non-residents.

Why Use This Tool

Multi-Country Support

Calculate taxes for Australia, USA, UK, Canada, New Zealand, and Ireland — all with country-specific brackets, thresholds, and rules.

Resident & Non-Resident Rates

Switch between resident and non-resident tax rates to see how your tax obligations differ based on your residency status.

Country-Specific Levies

Includes Medicare Levy (AU), National Insurance (UK), FICA/Social Security (US), CPP/EI (CA), ACC (NZ), and USC/PRSI (IE).

Tax Credits & Offsets

Automatically applies personal allowances, tax-free thresholds, and credits like Australia's LITO and Canada's BPA.

Instant Results

Enter your income and get a complete tax breakdown instantly — no sign-up, no waiting, no hidden fees.

Visual Breakdown

See exactly how your income is split across tax brackets, levies, and take-home pay in a clear, easy-to-read format.

Frequently Asked Questions

Which countries are supported?
The calculator supports Australia, United States, United Kingdom, Canada, New Zealand, and Ireland with their respective tax brackets and rules.
Does it support non-resident tax rates?
Yes, the calculator supports both resident and non-resident tax rates for each country, including different thresholds and withholding rates.
Are country-specific levies included?
Yes, country-specific levies are included such as Medicare Levy (Australia), National Insurance (UK), CPP/EI (Canada), ACC (New Zealand), and FICA (USA).
How current are the tax rates?
Tax rates are updated for the current financial year. The calculator includes the latest tax brackets and thresholds for each supported country.