Free US calculators for money, work and everyday life
Mortgage payments, take-home pay, federal tax, loan payoff and the quick everyday answers — all in US dollars and US units, all free.
Instant results
Every calculator updates as you type — no submit button, no waiting.
US standards
2025 federal brackets, FICA, state tax, US units and dollars throughout.
No sign-up
Free to use, works offline once installed, and nothing you type is stored.
Most used calculators
Mortgage Payment
Monthly payment with taxes, insurance, PMI and amortization.
Paycheck Take-Home
Net pay after federal, FICA and state taxes.
Federal Income Tax
2025 brackets, effective rate and marginal rate.
Student Loan Payoff
Payoff date and interest saved with extra payments.
BMI
Body mass index in feet, inches and pounds.
Tip & Split
Tip amount and per-person split.
Mortgage & Home
See allBuy, borrow and refinance with real numbers
Salary & Tax
See allSee what actually lands in your bank account
Education & Loans
See allPay off debt faster, save for school sooner
Everyday Life
See allThe quick answers you need every day