Payroll Tax Calculator

Estimate US payroll taxes — federal income tax, Social Security, and Medicare — for both employee and employer based on gross wages.

Use the Payroll Tax Calculator

Employee Pay Info

Enter gross wages and click Calculate to see your payroll tax breakdown.

Summary

This payroll tax calculator estimates the federal taxes withheld from an employee's paycheck and the matching taxes owed by the employer. It covers federal income tax withholding (2024 standard rates), Social Security (6.2% each), and Medicare (1.45% each, plus the 0.9% Additional Medicare surtax for high earners). Enter gross wages, pay frequency, and filing status to get a full breakdown.

How it works

  1. Enter the employee's gross wages for the pay period.
  2. Select the pay frequency (weekly, bi-weekly, semi-monthly, or monthly).
  3. Choose the filing status (single or married filing jointly).
  4. Enter any annual tax credits from Step 3 of Form W-4.
  5. The calculator applies 2024 IRS withholding tables and FICA rates to show employee deductions and employer matching costs.

Use cases

  • Estimating take-home pay before accepting a job offer.
  • Verifying paycheck deductions match expected withholding.
  • Helping small business owners estimate total employment cost per worker.
  • Comparing the tax impact of different pay frequencies.
  • Planning quarterly estimated taxes for payroll compliance.
  • Understanding how filing status and Form W-4 credits affect withholding.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu