Free payroll calculators · 2026
Payroll math you can actually trust.
Most calculators give you a number and ask you to take it on faith. Ours shows the source behind every line — the exact IRS and SSA citation — so you can check it yourself. Free, no sign-up, nothing stored.
Payroll Tax (FICA) Calculator
Enter gross wages and see the exact Social Security, Medicare, and Additional Medicare withheld — plus the employer's matching share. Each rate links to IRS Publication 15.
Open calculator →Hourly Paycheck Calculator
Hourly rate × hours, minus FICA and federal withholding, equals take-home pay. We show the breakdown and tell you plainly what isn't included (like state tax).
Open calculator →Numbaroll is calm payroll for the people who employ household workers. If you pay a nanny, eldercare aide, or housekeeper on the books, see how the full app helps.