Paycheck Calculator

Say you earn $2,500 every two weeks (biweekly) as a single filer with no 401(k). That annualizes to $65,000. After the 2025 standard deduction of $15,000, your federal taxable income is $50,000. Running that through the 2025 single brackets gives about $5,914 in federal income tax. FICA on the full $65,000 is Social Security ($65,000 × 6.2% = $4,030) plus Medicare ($65,000 × 1.45% = $942.50). Total federal tax + FICA is roughly $10,887, leaving about $54,114 a year, or close to $2,081 per biweekly paycheck. This paycheck calculator shows that full gross-to-net path, line by line.

The 2025 federal income tax brackets

Federal income tax is progressive - each band of income is taxed at its own rate. For a single filer in 2025 (tax year 2025, filed in 2026), the brackets are:

The standard deduction comes off first: Taxable income = wages − 401(k) − standard deduction. Married Filing Jointly and Head of Household use wider bands and larger deductions, which the calculator applies automatically.

FICA: Social Security and Medicare

On top of income tax, employees pay FICA. Social Security is 6.2% on wages up to the 2025 wage base of $176,100; earnings above that stop the Social Security portion. Medicare is 1.45% on all wages with no cap, and an Additional Medicare tax of 0.9% applies to wages over $200,000 (Single) or $250,000 (Married Filing Jointly). Crucially, FICA is charged on your gross wages - a traditional 401(k) contribution does not reduce it.

Pre-tax 401(k) and state tax

A traditional 401(k) deferral lowers your federal taxable income (and any state income tax), so it cuts those taxes - but not FICA. The 2025 employee limit is $23,500 ($31,000 with the age-50 catch-up). State income tax varies by state, and nine states have none, so we keep it as an optional flat rate you can enter to match your situation. All figures here are for tax year 2025. If you want the full-year picture rather than a single check, run the same income through the Income Tax Calculator.

Pay frequency matters

Your annual taxes are the same regardless of how often you are paid, but the per-check amount changes: 52 weekly checks, 26 biweekly, 24 semimonthly, or 12 monthly. The calculator converts your entered gross to annual, computes annual tax, then divides back to your chosen frequency. Note that semimonthly (24 checks) and biweekly (26 checks) are not the same: biweekly pay produces two "extra" partial-size checks a year, so each biweekly check is slightly smaller than a semimonthly one for the same salary.

State income tax: why your take-home depends on where you live

Two people earning the same gross salary can end up with very different take-home pay simply because of where they work. Nine states levy no state income tax at all - Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming - so a $70,000 salary in Texas keeps more per check than the same salary in a high-tax state. Other states run a flat rate (for example a single percentage applied to all taxable income), while many use progressive brackets much like the federal system, with rates that can top 10% at the highest income levels. Because the rules differ so widely, this paycheck calculator treats state tax as an optional flat percentage you enter yourself: set it to 0% for a federal-only estimate, or plug in your state's approximate effective rate to see a closer net figure. Keep in mind that some cities and counties add a local income tax on top of the state rate, and a handful of states tax wages differently from investment income - neither of which a single flat rate can fully capture. For budgeting a move or comparing two job offers in different states, adjusting only the state-rate field is the fastest way to see how location alone changes your bottom line.

How to use this paycheck calculator

You only need a few numbers to get a realistic take-home estimate. Work through the fields in order:

1. Gross pay: enter the amount on one paycheck before any deductions, or your annual salary if that is easier.
2. Pay frequency: pick weekly, biweekly, semimonthly, or monthly so the tool can annualize correctly and divide the result back.
3. Filing status: choose Single, Married Filing Jointly, or Head of Household. This sets your standard deduction and which bracket table applies.
4. 401(k) contribution: enter your pre-tax deferral as a percentage. This lowers federal (and state) taxable income but not FICA.
5. State tax rate: optional. Add an approximate flat rate to include state income tax, or leave it at 0% for a federal-only view.

The result updates instantly. Read your net pay per paycheck at the top, then check the breakdown to see exactly how much goes to federal income tax, Social Security, Medicare, and state tax.

A second worked example: married with a 401(k)

Suppose you and your spouse file jointly and you earn $120,000 a year, paid semimonthly ($5,000 per check), and you contribute 6% to a traditional 401(k). That 6% deferral is $7,200, which comes off your federal taxable income. After the 2025 Married Filing Jointly standard deduction of $30,000, your federal taxable income is $82,800 ($120,000 − $7,200 − $30,000). Running that through the 2025 joint brackets gives roughly $9,400 in federal income tax. FICA is charged on the full $120,000 gross, not the reduced amount: Social Security is $120,000 × 6.2% = $7,440 and Medicare is $120,000 × 1.45% = $1,740. Notice the 401(k) shrank only the income-tax line, not the $9,180 of FICA. Your take-home is higher than someone with no 401(k), and you have also moved $7,200 into retirement savings.

Marginal rate vs. effective rate

Your marginal rate is the rate on your next dollar of income - the top bracket your taxable income reaches. Your effective rate is your total federal income tax divided by your gross pay, and it is almost always lower because the early dollars are taxed at 10% and 12% before any higher rate applies. In the first example above, a single filer on $65,000 sits in the 22% marginal bracket but pays an effective federal income-tax rate closer to 9%. When people say a raise "pushed them into a higher bracket," only the income inside that higher band is taxed at the higher rate - the rest is unchanged, so a raise always leaves you with more money after tax.

Gross pay vs. net pay vs. taxable income

Three numbers often get confused, and the calculator keeps them separate:

• Gross pay is your total earnings before anything is taken out. FICA is calculated on this figure.
• Taxable income is gross pay minus pre-tax items (here, the 401(k) deferral) and the standard deduction. Federal income tax brackets apply to this number, not to gross.
• Net pay (take-home) is what actually lands in your account after federal income tax, Social Security, Medicare, and any state tax are subtracted from gross.

Because FICA uses gross while income tax uses taxable income, the same gross paycheck can have very different income-tax and FICA lines depending on your deductions.

Who this calculator is for

This tool turns a salary or paycheck figure into the number that actually reaches your bank account. It is useful for:

• Job seekers comparing two offers, where a higher gross does not always mean a higher take-home after taxes and benefits.
• New employees trying to predict their first paycheck before payroll runs.
• Anyone changing their 401(k) percentage who wants to see the real effect on take-home before updating their election.
• Hourly and salaried workers budgeting around a specific per-check amount rather than an annual figure. If you only know your hourly rate, the Salary Calculator converts it to an annual figure first.
• Freelancers checking a W-2 offer against contract income (note: self-employment tax differs and is modeled in the Self-Employment Tax Calculator, not here).

Tips to increase your take-home pay

A few legitimate levers can change the bottom line:

• Use pre-tax accounts: traditional 401(k), HSA, and FSA contributions lower taxable income; HSA and FSA contributions also reduce FICA, which the 401(k) does not.
• Check your W-4: claiming dependents or the Child Tax Credit can reduce withholding so more money arrives each check instead of as a refund later.
• Avoid a large refund: a big refund means you over-withheld and gave the government an interest-free loan. Tuning your W-4 spreads that money across the year.
• Mind your state: nine states levy no income tax, so the same salary takes home more there. Local city taxes can work the other way.
• Consider Roth vs. traditional: Roth 401(k) contributions do not lower today's taxable income but produce tax-free withdrawals later - a take-home tradeoff worth weighing.

Limitations and assumptions

This is a planning estimate, not exact payroll withholding. Keep these assumptions in mind:

• It applies the standard deduction for your filing status and does not model itemized deductions or above-the-line adjustments beyond the 401(k).
• It does not include health insurance, HSA, or FSA pre-tax deductions, which would lower both income tax and FICA on a real check.
• It does not apply the Child Tax Credit, other tax credits, or W-4 extra withholding, all of which change your actual paycheck.
• State tax is modeled as a single flat rate; real state systems may be progressive, have their own deductions, or add local taxes.
• It assumes ordinary W-2 wages. Self-employment, bonuses taxed as supplemental wages, equity compensation, and tipped income are handled differently by payroll.
• All figures use tax year 2025 brackets, deductions, and the $176,100 Social Security wage base.

How it compares to related calculators

This page answers "what is my take-home pay per paycheck?" If you have a different question, a sister tool fits better:

• To estimate your total federal tax bill for the year, use the Income Tax Calculator.
• To convert between hourly, weekly, and annual figures, use the Salary Calculator.
• To see whether you will owe or get money back, use the Tax Refund Calculator.
• To find the bracket your next dollar falls into, use the Tax Bracket Calculator.
• To see your overall rate across all income, use the Effective Tax Rate Calculator.
• If you are self-employed, the Self-Employment Tax Calculator models the 15.3% SE tax that W-2 FICA does not cover.