US Income Tax Calculator 2025 — Federal Tax Estimate

US Income Tax Estimator 2025–2026 — Federal Tax with Bracket Breakdown

Estimate your US federal income tax for 2025–2026. Enter your gross income, filing status, and deduction type to see your estimated tax owed, effective tax rate, marginal bracket, and take-home pay — with a full bracket-by-bracket breakdown. Formula shown. Not tax advice.

2025–2026 tax brackets Bracket-by-bracket breakdown Effective vs. marginal rate All filing statuses

🧾 Enter Your Income Details

Estimated Tax Owed
Effective Tax Rate
Est. Take-Home Pay
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How it works Taxable Income = Gross Income − Deduction  |  Tax = sum of each bracket rate × income in that bracket  |  Effective Rate = Tax ÷ Gross Income
⚠️ Disclaimer: This is an estimate for federal income tax only. It does not include state income tax, FICA (Social Security & Medicare), AMT, tax credits, investment income, or self-employment tax. Consult a qualified tax professional for accurate tax advice.

How the US Federal Income Tax System Works

The United States uses a progressive tax system. This means different portions of your income are taxed at different rates — not your entire income at one flat rate. Each rate applies only to the slice of income that falls within that bracket’s range.

A common misconception

Many people believe that if they earn $50,000 and fall into the 22% bracket, they pay 22% on all $50,000. This is incorrect. They pay 10% on the first $11,925, 12% on income from $11,925 to $48,475, and 22% only on income above $48,475. The 22% bracket is your marginal rate — it applies only to your last dollars of income.

Marginal vs. effective tax rate

Your marginal rate is the rate applied to your next dollar of income (your highest bracket). Your effective rate is your actual average tax rate: total tax owed ÷ gross income. Effective rates are always lower than the marginal rate for this reason. For example, someone in the 22% bracket with a $75,000 income might have an effective rate of only 14–15%.

Standard vs. itemized deduction

Every taxpayer can reduce their taxable income by either the standard deduction or itemized deductions — whichever is larger. The 2025 standard deductions are:

Filing Status2025 Standard Deduction
Single$15,000
Married Filing Jointly$30,000
Married Filing Separately$15,000
Head of Household$22,500

Itemized deductions include mortgage interest, state and local taxes (SALT, capped at $10,000), charitable contributions, and medical expenses exceeding 7.5% of AGI. Most taxpayers take the standard deduction, but those with high mortgage interest or charitable giving often benefit from itemizing.

2025 Federal Income Tax Brackets

Single filers

RateTaxable Income
10%$0 – $11,925
12%$11,926 – $48,475
22%$48,476 – $103,350
24%$103,351 – $197,300
32%$197,301 – $250,525
35%$250,526 – $626,350
37%Over $626,350

Married filing jointly

RateTaxable Income
10%$0 – $23,850
12%$23,851 – $96,950
22%$96,951 – $206,700
24%$206,701 – $394,600
32%$394,601 – $501,050
35%$501,051 – $751,600
37%Over $751,600

Frequently Asked Questions

What is the difference between marginal and effective tax rate?

Your marginal rate is the rate applied to your last dollar of income — your highest bracket. Your effective rate is the actual percentage of your gross income you pay in taxes overall. Effective rates are always lower than marginal rates because lower brackets apply to the first portions of income. The calculator shows both.

Does this include Social Security and Medicare taxes?

No. This calculator covers federal income tax only. FICA taxes (Social Security at 6.2% on income up to $176,100 and Medicare at 1.45% on all income) are separate. For most employees, total FICA is 7.65% on top of income tax. Self-employed individuals pay 15.3% FICA (both employee and employer shares).

Should I take the standard deduction or itemize?

Take whichever is larger. The 2025 standard deduction is $15,000 for single filers and $30,000 for married filing jointly. If your itemizable deductions (mortgage interest, charitable donations, SALT up to $10,000, qualifying medical expenses) exceed these amounts, itemizing saves you more. Most taxpayers benefit from the standard deduction.

How accurate is this tax estimator?

It provides a reasonable federal income tax estimate for W-2 wage earners using 2025 brackets and standard deductions. It does not account for tax credits (child tax credit, earned income credit, etc.), investment income (capital gains rates differ), AMT, self-employment tax, retirement contributions, or state taxes. Use it for planning purposes and consult a tax professional for your actual return.

What filing status should I choose?

Single: unmarried or legally separated. Married Filing Jointly: married and filing one return together (usually lower tax). Married Filing Separately: married but filing separate returns (rarely beneficial except in specific situations). Head of Household: unmarried with a qualifying dependent — gets better rates and a larger standard deduction than Single.

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