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Paycheck Estimate Calculator

Get a simplified educational estimate of take-home pay using gross pay, pay frequency, estimated tax rates, FICA, and pre/post-tax deductions.

This is a simplified educational estimate only. It does not replace official payroll software, IRS withholding tables, or a tax professional.

Estimate only

This is a simplified educational paycheck estimate, not an official tax or payroll calculator. Actual paycheck amounts vary by employer, state, filing status, benefits, and W-4 elections. For exact withholding, use official payroll/tax tools or consult a qualified tax professional.

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Estimated net pay per biweekly period
$1,668
Annualized: gross $65,000, estimated net $43,362 · effective tax 23.3%.
Gross pay
$2,500
Pre-tax deductions
$200
Taxable income
$2,300
Federal tax (est.)
$276
State tax (est.)
$115
FICA
$191
Post-tax deductions
$50
Estimated net pay
$1,668
Overview

How the Paycheck Estimate Calculator Works

This is an educational paycheck estimator, not a payroll system. It applies the federal and state tax percentages you provide to your taxable pay, adds FICA on gross, and subtracts pre- and post-tax deductions to approximate net pay. For exact withholding, use your employer's pay stub, the IRS Tax Withholding Estimator, or your state's official payroll calculator. Always consult a qualified tax professional for advice specific to your situation.

Formula

The Math Behind the Calculator

Taxable income = Gross − Pre-tax deductions. Federal tax ≈ Taxable × Federal%. State tax ≈ Taxable × State%. FICA ≈ Gross × FICA% (default 7.65% = 6.2% Social Security + 1.45% Medicare). Net pay = Gross − Pre-tax − Federal − State − FICA − Post-tax.

Example

A Worked Example

$2,500 biweekly gross, 12% federal estimate, 5% state, 7.65% FICA, $200 pre-tax 401(k), $50 post-tax → taxable $2,300, federal ≈ $276, state ≈ $115, FICA ≈ $191, net ≈ $1,668. Annualized at 26 pay periods: ~$65,000 gross / ~$43,400 net.

How to use

How to Use the Paycheck Estimate Calculator

  1. 1Enter your gross pay for one pay period (before any deductions).
  2. 2Pick your pay frequency — weekly, biweekly, semimonthly, or monthly.
  3. 3Enter realistic estimates for federal and state tax %. Use last year's effective rates as a starting point.
  4. 4Leave FICA at 7.65% unless you're above the Social Security wage base.
  5. 5Add pre-tax deductions (401(k), HSA, traditional health insurance) and post-tax deductions (Roth 401(k), garnishments).
Interpretation

What the Results Mean

  • Net pay is an approximate dollar amount you'd see deposited, not an official withholding calculation.
  • Effective tax rate is total taxes ÷ gross — a sanity-check on the percentages you entered.
  • Annualized values multiply by the standard number of pay periods (52, 26, 24, or 12).
Avoid

Common Mistakes to Avoid

  • Using the marginal federal tax bracket as the federal % — your effective rate is almost always lower.
  • Forgetting state income tax (or assuming you owe it in states like FL/TX/WA that don't levy one).
  • Treating this estimate as official withholding for W-4 planning — use the IRS estimator instead.
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FAQ

Frequently Asked Questions

Is this an official tax or payroll calculator?+

No. It's a simplified educational estimate. Actual paycheck amounts vary by employer, state, filing status, benefits, and your W-4 withholding elections. Use official payroll/tax tools or consult a tax professional for exact withholding.

Why doesn't this use real tax brackets?+

Bracket math depends on filing status, dependents, deductions, credits, and year-to-date earnings — way beyond a single-paycheck estimate. Using your prior-year effective rate is more accurate for quick planning.

What is FICA?+

Federal Insurance Contributions Act tax — 6.2% Social Security (up to the wage base) plus 1.45% Medicare on all wages. High earners pay an additional 0.9% Medicare surtax above $200k.

Financial Disclaimer

This calculator is for educational and estimation purposes only. It does not provide financial, mortgage, tax, investment, or legal advice. Actual rates, payments, taxes, fees, insurance costs, eligibility, and loan terms vary by lender, location, credit profile, and market conditions. Always compare official offers and consult a qualified professional before making financial decisions.

Last updated June 2026 · Prepared by the mCalculator Editorial Team