Calculators specific to USA 🇺🇸

Explore USA-specific calculators, organized by category.

This collection brings together the calculators built specifically for the United States — using American units, US dollars, and country-specific rules. You'll find tools for US federal and state taxes, mortgages and home affordability, auto loans, salary, paycheck and take-home pay, retirement and 401(k) planning, sales tax, tipping, and everyday conversions. Everything is grouped by category below so you can quickly jump to the right tool for your situation, whether you're budgeting, borrowing, or planning ahead.