Free Financial Calculators
Fast, accurate, and private. Every calculation runs in your browser — we never see or store your numbers. No sign-up, no limits.
Loans
Mortgage Calculator
Calculate your monthly mortgage payment with taxes, insurance and extra payments. See a full amortization schedule and total interest.
LoansLoan Calculator
Estimate monthly payments and total interest on any personal or installment loan. Free amortization schedule included.
LoansAuto Loan Calculator
Work out your car loan monthly payment including down payment, trade-in and sales tax. See total cost and interest paid.
LoansRefinance Calculator
See if refinancing your mortgage is worth it. Compare your current loan to a new rate and term, with monthly savings and break-even point.
LoansDebt Payoff Calculator
Find out how long it will take to pay off a credit card or loan, and how much interest you'll pay, based on your monthly payment.
Investing
Retirement
Why these calculators?
Whether you're buying a home, financing a car, paying down a loan, or planning for retirement, the math behind your decisions should be transparent. Each tool here shows not just the answer, but the full breakdown — monthly payments, total interest, and a year-by-year schedule — so you understand exactly where your money goes.
All tools are 100% free and run entirely on your device. Your financial details never leave your browser.