payroll tax calculator

Estimate paycheck taxes for federal income tax, Social Security, Medicare, state tax, and local tax.

Gross Pay Per Pay Period ($)

Pre-tax Deductions Per Pay Period ($)

Examples: 401(k), HSA, pre-tax health premiums.

Pay Frequency

Federal Filing Status (Estimate)

State Income Tax Rate (%)

Local Tax Rate (%)

Additional Federal Withholding Per Paycheck ($)

Employer FUTA Rate (%)

Employer SUTA Rate (%)

Used for employer tax estimate only.

Enter your details and click Calculate Payroll Taxes.

What is a payroll tax calculator?

A payroll tax calculator estimates how much of each paycheck goes to taxes and how much remains as net pay. It helps employees and business owners quickly model paycheck outcomes before payroll is processed. Instead of guessing, you can break down federal withholding, Social Security, Medicare, and state/local taxes in seconds.

How this payroll tax calculator works

1) Start with gross pay

Gross pay is your earnings before any deductions or taxes. The calculator annualizes your wages based on pay frequency (weekly, biweekly, semi-monthly, or monthly) to estimate tax liability consistently across the year.

2) Subtract pre-tax deductions

Pre-tax deductions lower taxable wages. Common examples include 401(k) contributions, HSA contributions, and certain health insurance premiums. Lower taxable wages usually reduce federal and state income taxes.

3) Estimate federal income tax using brackets

The calculator applies a progressive federal tax model and an estimated standard deduction based on filing status. This gives a useful paycheck estimate, though your real withholding can differ depending on your W-4 settings, credits, bonuses, or supplemental wages.

4) Add payroll taxes (FICA)

Social Security: 6.2% up to the annual wage base limit.
Medicare: 1.45% of wages, plus an additional 0.9% above the applicable threshold.

5) Add state and local taxes

State and local rates vary by location. This calculator uses the rates you provide and applies them to taxable wages per period.

What’s included in the results

Estimated net paycheck
Total taxes withheld per paycheck
Federal, Social Security, Medicare, state, and local tax details
Annualized totals for gross pay, taxes, and net pay
Employer-side payroll tax estimate (FICA + FUTA + SUTA)

Example: quick paycheck estimate

If you earn $2,500 biweekly and contribute $150 pre-tax each paycheck, your taxable wages decrease before income tax is applied. The calculator then computes federal tax from annualized income, applies Social Security and Medicare, and adds state/local tax. The result is a practical estimate of take-home pay you can use for budgeting.

Tips to improve payroll tax planning

Review your W-4 after major life changes (marriage, children, second job).
Re-run calculations when your salary or deduction elections change.
Account for bonuses separately because withholding methods may differ.
Track year-to-date wages if you are near the Social Security wage base limit.

Important note

This payroll tax calculator is designed for educational and planning purposes. Actual withholding depends on your payroll system, tax jurisdiction rules, and current IRS/state guidance. For exact filing outcomes, consult a qualified tax professional or your payroll provider.