Loan & mortgage calculators

Every calculator runs entirely in your browser, shows its formula, and stores nothing. Estimates only — not financial advice.

Estimate your monthly mortgage payment and see a full amortization schedule of principal vs interest.

Work out the monthly payment and total interest on a car loan, including trade-in and down payment.

Calculate the fixed monthly payment, total interest and total cost of a personal loan.

Compare the debt snowball and debt avalanche methods to see which clears your debts faster and cheaper.

See how much time and interest you save by adding extra to your monthly loan or mortgage payment.

Convert between APR and APY for any compounding frequency and understand the difference.