US Tax, Pay & Retirement Calculators
Calculators for US readers, using 2026 IRS figures where they apply. Federal income tax, take-home pay by state, sales tax, self-employment tax, and retirement planning with 401(k), IRA and Social Security.
401(k) Calculator
Project your 401(k) balance at retirement, including employer match, salary growth and investment returns.
529 College Savings Calculator
Project your future 529 plan balance from your current savings, monthly contributions and expected return, and see if you're on track for your goal.
Auto Loan Calculator
Work out your monthly car payment, total interest and full amortization schedule, including sales tax, trade-in and down payment.
Federal Income Tax Calculator
Estimate your 2026 US federal income tax by filing status, with a full tax bracket breakdown and optional FICA calculation.
IRA Calculator
Project your Traditional or Roth IRA balance at retirement and compare the after-tax value of each. Includes 2026 IRS contribution limits.
Life Insurance Calculator
Estimate how much life insurance coverage you need using the DIME method (Debt, Income, Mortgage, Education).
Overtime Pay Calculator
Calculate weekly gross pay including time-and-a-half or double-time overtime under US FLSA rules.
Sales Tax Calculator
Calculate US sales tax for any state, add tax to a price, or back out the pre-tax price from a tax-included total.
Self-Employment Tax Calculator
Estimate your 2026 self-employment tax, federal income tax and quarterly estimated payments as a US freelancer or sole proprietor.
Social Security Calculator
Find your Full Retirement Age and compare your monthly Social Security benefit at claiming ages 62 through 70.
US Mortgage Calculator
Calculate your full monthly mortgage payment including principal, interest, property tax, homeowners insurance, PMI and HOA fees, plus a full amortization schedule.
US Paycheck Calculator
Estimate your take-home pay after federal tax, state tax and FICA, for any pay frequency and all 50 states.