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Tax Calculator

Estimate how much income tax you owe based on your annual salary and filing status.

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Your result

Enter your values and the result appears here

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How it works

About this calculator

Nobody likes tax surprises. Whether you are planning your finances, comparing job offers, or just curious about where your money goes, knowing your tax burden ahead of time helps. Our tax calculator estimates your federal income tax based on your annual salary and filing status. It uses the latest tax brackets so you get a realistic picture of what you will owe and what you will take home.

The formula, explained simply

We apply the progressive US federal income tax brackets to your income. Instead of one flat rate, your income is taxed in layers — each portion falls into a bracket with its own rate. The calculator shows tax owed per bracket, your total tax, effective tax rate (average rate across all income), and marginal tax rate (the rate on your next dollar). We subtract the total tax from your gross income to show your after-tax take-home pay. Note: this is federal income tax only, not including state tax, FICA, or deductions.

When you would use this

Salary negotiations — see what a raise actually means after taxes. Freelancers set aside money for quarterly estimated taxes. Anyone filing taxes gets a preview before sitting down with their CPA. Students and new grads understand how tax brackets really work. It is also handy for comparing the tax impact of marriage or changing filing status.

Frequently asked questions

What is the difference between marginal and effective tax rate?
Your marginal rate is the tax rate on your last dollar earned. Your effective rate is the average rate across all your income — total tax divided by total income. Effective rate is always lower than marginal rate in a progressive system.
Does this include state tax?
No, this calculator estimates federal income tax only. State income tax varies by location and is not included here.
What about deductions and credits?
This calculator uses the standard deduction built into the brackets. Itemized deductions and tax credits are not included, so your actual tax may be lower.
How often are tax brackets updated?
Tax brackets are adjusted annually for inflation. We update our calculator to match the latest IRS rates.
Is this accurate for self-employed income?
Self-employed individuals pay both the employee and employer portions of FICA taxes, which this calculator does not include. Use this as a rough estimate.

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AstroCode

Build your website for free — pay 99$ monthly

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