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.
CA Paycheck Calculator
Calculate California take-home pay with 2026 CA state income tax brackets, 1.1% SDI, FICA and federal withholding.
CA Mortgage Calculator
Calculate monthly California home mortgage payments factoring in Proposition 13 county property taxes, insurance and interest.
TX Paycheck Calculator
Calculate Texas take-home pay with 0% state income tax, federal income tax brackets, and FICA payroll deductions.
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.