FreeNo sign-in. Nothing leaves your browser.

Paycheck calculator: federal tax, Social Security and 401(k)

See your pay after federal income tax, Social Security, Medicare and a 401(k). State tax is not included.

2026 federal brackets, standard deduction and Social Security wage base from the IRS. Estimate.

Common questions

Does a 401(k) reduce Social Security tax?

No. It lowers income tax only, not payroll taxes.