Smarter Tax Planning in Minutes
Calculate your personal income tax in detail, with smart deduction advisory — across multiple countries.
Multi-Country Support
US, Thailand, UK, Singapore, Australia — and more to come
Smart Advisory
Deduction suggestions that could lower your tax bill, with the saving shown for your income
Sourced and Checked
Rates come from published tax rules, and each page lists its sources and what was checked
How it works
- 1
Choose your country
Pick where you pay tax. For the US you can also choose your filing status and state.
- 2
Enter your income and deductions
Add your salary and the deductions you qualify for, such as retirement contributions.
- 3
See your tax and ways to reduce it
Get your tax, effective and marginal rates, and suggestions for legal deductions that could lower your bill.
Start with your country
Each calculator uses that country's own brackets, allowances and deduction rules.
Popular guides
See all guides →- Take-Home Pay on a $100,000 Salary in Every US State (2026)How much of a $100,000 salary a single filer keeps in each of the 50 states and DC after federal tax, state income tax and FICA — ranked, with what the ranking leaves out.7 min read
- 2026 Federal Income Tax Brackets Explained With Real ExamplesThe 2026 US federal tax brackets for single filers, married couples filing jointly and heads of household, how they are applied slice by slice, and worked examples.6 min read
- 401(k) vs Traditional IRA: Which Cuts Your Tax Bill More?Compare contribution limits, tax treatment, and how much each account can shave off your federal and state tax in 2026, with worked examples.6 min read
- Why Your Paycheck Is Smaller Than Your Salary: A Line-by-Line BreakdownWhere a $100,000 salary goes before it reaches your bank account — federal income tax, Social Security, Medicare and state tax — shown line by line in Texas, California and New York.6 min read
- UK Income Tax Rates and Bands 2026/27: Worked ExamplesThe 2026/27 income tax bands for England, Wales and Northern Ireland, how the Personal Allowance is applied, and worked examples from £30,000 to £150,000.6 min read
- Thailand Personal Income Tax 2026: Brackets and Worked ExamplesThe 2026 Thai personal income tax brackets from 0% to 35%, the deductions applied automatically, and worked examples showing marginal and effective rates from ฿300,000 to ฿3,000,000.5 min read
US state income taxes
All 50 states + DC →Where you live changes how much of your paycheck you keep. See take-home pay, tax brackets and worked examples for each state.
About the numbers
Results are estimates based on published tax rates and standard rules, not tax advice. Every worked example in our guides is calculated by the same engine as the calculator, and each guide lists its sources and the date its figures were last checked.
Read how Taxolase calculates your tax, learn who is behind the site, or get in touch if you spot something wrong.