Loan & Mortgage Calculator

Work out the monthly payment on any amortized loan — a mortgage, auto loan, or personal loan — and see how the total cost splits between principal and interest.

Loan details

Loan amount ($)

Annual interest rate (%)

Term (years)

+ months

Result

Enter your loan details and press Calculate.

How it works

The monthly payment uses the standard amortization formula: each month you pay interest on the remaining balance plus a slice of principal, sized so the balance reaches zero exactly at the end of the term. Early payments are mostly interest; later ones are mostly principal.