Tax Calculator Online
Estimate income tax, effective tax rate and after-tax income using your own deductions, tax rate, credits and other tax amounts. No location-specific tables.
Calculator workspace
Enter your own values and review the method shown with the result.
A flexible tax calculator without hard-coded regional rules
This calculator is designed for planning when you already know the tax rate or effective rate you want to test. It does not pretend to reproduce a specific government return, filing status, deduction schedule or tax year.
Use it to compare gross income, taxable income, estimated tax and take-home income under different assumptions. For an official filing or payroll decision, use the current rules and forms that apply to your jurisdiction.
How to use this calculator
- Enter annual gross income.
- Subtract deductions or exemptions that reduce the taxable amount.
- Enter the tax rate you want to model.
- Add credits and any separate tax amount.
- Review estimated tax, effective rate and after-tax income.
Frequently asked questions
Is this an official tax return calculator?
No. It is a flexible estimate using the rate and adjustments you enter.
Can I use it outside the United States?
Yes. The calculator is intentionally not tied to a country; enter the rate and adjustments that apply to your case.
What is the effective tax rate?
It is estimated total tax divided by gross income, expressed as a percentage.
Tax deductions, credits and the entered rate
This calculator models an income amount, deductions, a rate, credits and an additional tax amount. A deduction reduces the income to which the modeled rate applies. A credit reduces the modeled tax after that multiplication. Enter each adjustment in its own field so that the same amount is not counted twice.
A simple tax calculation
For gross income of $60,000 and deductions of $10,000, the modeled taxable amount is $50,000. Applying an entered rate of 20% produces $10,000 before credits. A $1,000 credit reduces that example to $9,000 when other tax is zero. Relative to the original $60,000 income, the modeled effective rate is 15%.
Rate selection matters
The entered percentage is a modeling assumption. A system with multiple tax brackets can produce a different total from applying one marginal rate to every dollar. Use an effective rate appropriate to the scenario if you are checking a broad budget, and keep the income and deduction figures on the same annual basis.
The result does not select a tax year, filing status or jurisdiction for you. Compare an official calculation with the rules and forms for the relevant location. US readers can use the IRS withholding resource for a separate federal withholding estimate. The paycheck calculator is useful when the question concerns individual pay periods.