US Financial Calculators
Free US calculators for 401(k), Roth IRA, mortgage, paycheck, tax, auto loans, credit cards and capital gains. Built for country-specific search intent so users can find the right local tool faster.
Popular United States Calculators
See all401(k) Calculator
Estimate your 401(k) retirement balance with employee contributions, employer match and investment growth.
Roth IRA Calculator
Estimate Roth IRA tax-free retirement growth from yearly contributions and expected returns.
Mortgage Calculator
Calculate monthly US mortgage payments with loan amount, rate, term, property tax and insurance.
Auto Loan Calculator
Estimate monthly car payments with vehicle price, down payment, interest rate and loan term.
Federal Tax Calculator
Estimate US federal income tax using filing status, income and deductions.
Paycheck Calculator
Estimate take-home pay after federal tax, Social Security, Medicare and state tax assumptions.
Latest United States Guides
See all401(k) Contribution Guide
Learn how 401(k) contributions, employer match and compounding affect long-term retirement savings.
Roth IRA vs 401(k): Which Should You Use?
Compare Roth IRA and 401(k) accounts for retirement savings, tax treatment and contribution strategy.
US Mortgage Payment Guide
Understand mortgage payments, interest, property tax, insurance and how loan term changes total cost.