Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Taxes
Payroll Tax Calculator
Calculates the combined US federal payroll tax (Social Security plus Medicare, jointly known as FICA) owed on a given block of wages, using the specified employee-side rates. Useful for paycheck planning, comparing self-employment to W-2 take-home, and verifying that an employer has withheld the correct FICA amount.
Fill in the required fields to see your result.
Taxes
Tax Withholding Calculator
Calculate the tax withheld from a single paycheck given gross pay and a withholding rate. Use it to estimate what a flat withholding rate produces β for example, a state's flat income-tax rate or the bonus-flat-rate (22% supplemental wage withholding) used by US employers on certain payments.
Fill in the required fields to see your result.
Key differences
| Payroll Tax Calculator | Tax Withholding Calculator | |
|---|---|---|
| Category | Taxes | Taxes |
| Inputs required | 3 | 2 |
| Result | Total Payroll Tax ($) | Tax Withheld ($) |
| What it does | Calculates the combined US federal payroll tax (Social Security plus Medicare, jointly known as FICA) owed on a given block of wages, using the specified employee-side rates. Useful for paycheck planning, comparing self-employment to W-2 take-home, and verifying that an employer has withheld the correct FICA amount. | Calculate the tax withheld from a single paycheck given gross pay and a withholding rate. Use it to estimate what a flat withholding rate produces β for example, a state's flat income-tax rate or the bonus-flat-rate (22% supplemental wage withholding) used by US employers on certain payments. |