USA Payroll Tool Calculators
Gross-up, 1099 self-employment, bonus, and overtime payroll tools.
General-purpose US payroll calculators for gross-up (net to gross), 1099 self-employment income, dual income, bonuses, nanny payroll, employer cost, and overtime. Every tool is built from current federal tax rules and verified by the AKCalc financial team.
1099 Tax Calculator
Estimate self-employment income tax for 1099 contractors — SE tax, quarterly estimates, and after-tax take-home.
Gross-Up Paycheck Calculator (Net to Gross)
Convert a desired take-home amount into the gross paycheck needed after federal, state, and FICA taxes.
Texas Hourly to Salary Calculator
Convert hourly wage to annual salary with Texas take-home pay (no state tax) after federal and FICA. 2026 updated.
California Nanny Payroll Tax Calculator
California nanny/employer payroll tax calculator - SDI, PFL, UI, ETT withholding for household employers and employees. 2026 updated.
California Bonus Tax Calculator
Calculate exact take-home pay from a California bonus after federal supplemental wage withholding, state tax, SDI, and Medicare.
California Dual Income Paycheck Calculator
Calculate combined withholding for dual-income California households - avoid under-withholding and IRS penalties.