Free online calculators
Free calculators for US taxes, pay, retirement, loans and everyday questions. Each one shows its formula and its sources.
Popular Compound Interest401(k)No Tax on OvertimeSalary to Hourly
Browse calculators
5 calculators in 4 categoriesSavings and investing
1 calculatorRetirement
1 calculatorTaxes and paychecks
1 calculatorWork and pay
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How these calculators work
Each calculator runs in your browser, so the numbers you type are not sent to us. Tax and benefit limits come from IRS, SSA and state sources, and each page lists the exact documents used. Read the methodology and corrections policy.