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Income Tax Calculator

Estimate federal and state income tax, taxable income after deductions, effective tax rate, and after-tax annual or monthly income using 2025 US bracket assumptions.

Income Tax Calculator

Use this free Income Tax Calculator to estimate federal income tax, state income tax, taxable income after deductions, and after-tax annual or monthly income. It is designed for fast planning rather than payroll withholding, so it pairs well with the Salary Tax Calculator, Budget Planner Calculator, and Net Worth Calculator. You can explore more planning tools in Financial Calculators.

Enter income, deductions, and filing details

This calculator uses 2025 US federal brackets and standard deductions. State tax is handled as a practical flat-rate estimate so you can plan without a full return-preparation workflow.

% custom rate
Income tax estimate
$76,287.00

Estimated after-tax annual income

Tax position looks efficient

The current deduction mix is meaningfully reducing taxable income or keeping the effective rate under control.

Federal income tax
$9,654.00
10.7% effective federal rate
State income tax
$4,059.00
5.0% modeled state rate
Total income tax
$13,713.00
15.2% effective combined rate
Marginal federal rate
22.0%
Rate on the last dollar of federal taxable income
Monthly after-tax income
$6,357.25
After-tax annual income divided by 12
Quarterly estimate
$3,428.25
Simple annual tax estimate divided into four quarters

Summary breakdown

Gross income$90,000.00
Pre-tax deductions$8,000.00
Standard deduction$15,000.00
Federal taxable income$67,000.00
State taxable income$82,000.00
Estimated deduction tax savings$1,760.00

What this tool does

This Income Tax Calculator estimates how much federal and state income tax applies to your annual income after standard and pre-tax deductions. It is designed for planning annual tax exposure and after-tax income, not for filing a return or reproducing paycheck withholding line by line.

How it works

The calculator adds salary and other taxable income, subtracts modeled pre-tax deductions, applies the 2025 standard deduction for your filing status, runs the remaining amount through federal tax brackets, and then estimates state tax using a simple flat effective rate.

Why it is useful

A fast annual estimate helps you compare job offers, bonuses, deduction strategies, and state-tax differences before making larger financial choices. Once the tax estimate is clear, it becomes easier to set a realistic budget or savings target.

Worked example

In the example scenario, gross income is $105,000.00. Pre-tax deductions total $16,000.00, and the single-filer standard deduction reduces federal taxable income further. That creates a lower taxable base before brackets are applied, which is why the effective rate stays below the top marginal bracket.

Taxable income

The standard deduction and pre-tax deductions reduce how much income actually enters the federal bracket calculation. That is often the most important first lever in tax planning.

Marginal vs effective

A taxpayer might land in the 22% bracket while still paying a much lower effective rate overall, because earlier slices of income are taxed at 10% and 12% first.

Planning next steps

Once after-tax income is clear, you can allocate the remaining cash into budget categories, debt payoff, or investing with much better precision.

Federal brackets applied

These are the 2025 federal tax brackets used in this estimate. If you want paycheck-oriented results including FICA withholding, compare with the Salary Tax Calculator. For broader money planning after taxes, use the Finance Calculator or Budget Planner Calculator.

Bracket rate
10.0%
Tax in bracket
$1,192.50
Income range$0.00 - $11,925.00
Taxable in bracket$11,925.00
Bracket rate
12.0%
Tax in bracket
$4,386.00
Income range$11,925.00 - $48,475.00
Taxable in bracket$36,550.00
Bracket rate
22.0%
Tax in bracket
$4,075.50
Income range$48,475.00 - $103,350.00
Taxable in bracket$18,525.00

How to use the result

Compare job offers
A higher salary in a higher-tax state does not always lead to a meaningfully larger after-tax result. This calculator helps compare offers on the number that actually matters.
Model deduction strategy
Increasing traditional retirement or HSA contributions may lower current tax while improving long-term financial position.
Budget from net income
Use after-tax income rather than gross income when setting spending targets, debt payments, or saving goals.
Use specialized tools next
For paycheck-level withholding use Salary Tax Calculator. For cash-flow planning use Finance Calculator. For long-term growth use Compound Interest Calculator.

Related financial tools

Income Tax Calculator FAQ

The marginal rate is the tax rate on the last dollar of taxable income. The effective tax rate is the share of your total gross income that actually goes to tax. In a progressive system, the effective rate is lower than the top bracket rate.

Explore This Tool in Context

Income Tax Calculator is part of the Financial Calculators collection. If you want a broader view of similar workflows, open the Financial Calculators category page or browse all QuickTools categories.

Common next steps after this tool include Estate Tax Calculator, Social Security Calculator and Annuity Payout Calculator.

More in Financial Calculators

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