Income Tax Calculator
Free income tax calculator covering 7 countries — USA, UK, Canada, Australia, Germany, Singapore, France, and Japan. Enter your income to instantly see tax owed, effective rate, and take-home pay. Updated for 2024 tax year.
How it works
This income tax calculator runs entirely in your browser — no data is sent to any server. Simply fill in the fields above and the result updates instantly. You can copy the output with the copy button provided.
Frequently Asked Questions
Which countries does this calculator cover?
USA (federal), UK, Canada (federal), Australia, Germany, Singapore, France, and Japan — all updated for the 2024 tax year.
Is this calculator accurate?
It provides close estimates based on official tax brackets for each country. It does not include all local deductions, credits, or surcharges — always consult a tax professional for official filings.
Does it include social security and national insurance?
Yes — UK National Insurance, Canada CPP/EI, Australia Medicare Levy, Germany social security, and US self-employment tax are all shown as separate line items.
What is an effective tax rate?
Your effective tax rate is total income tax divided by gross income. It is always lower than your marginal rate because lower income slices are taxed at lower rates.
What is a marginal tax rate?
Your marginal rate is the tax rate that applies to your last dollar of income — i.e. the highest bracket you reach. This is what you pay on any extra income you earn.