Payroll & HR Calculators — Finance
Compensation beyond base salary: bonus tax under the percentage and aggregate methods, RSU tax, employer payroll tax, raises, and freelance rates. The two bonus withholding methods give different take-home amounts on the same bonus, which the calculator compares directly.
All Payroll & HR Calculators
Estimate the tax on your bonus using the percentage or aggregate withholding method.
Calculate employer-side payroll taxes including FICA, FUTA, SUTA, and Medicare.
Determine your ideal freelance hourly rate by factoring in expenses, taxes, desired salary, and billable hours.
Calculate your new salary after a percentage raise and see the monthly and annual impact.
Estimate taxes owed when restricted stock units vest based on share price and income bracket.
Calculate the tax implications of exercising stock options including ISO and NSO scenarios.
About Payroll & HR Calculators
Compensation beyond base salary: bonus tax under the percentage and aggregate methods, RSU tax, employer payroll tax, raises, and freelance rates. The two bonus withholding methods give different take-home amounts on the same bonus, which the calculator compares directly.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common payroll & hr scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 6 tools: Bonus Tax Calculator (Percentage vs Aggregate), Employer Payroll Tax Calculator, Freelance Rate Calculator, Raise Calculator, RSU Tax Calculator at Vesting, Stock Option Tax Calculator (ISO vs NSO). Each calculator is free to use with no signup required.