Loan Calculator (Personal and Car)

Personal and car loans

Enter loan amount, annual rate, and term to see repayments and total interest. Term can be entered in years or months — useful for car finance. Add an optional extra monthly payment to model faster payoff.

Loan amount

Annual interest rate (%)

Loan term

Term unit

Normal payment frequency

Extra monthly payment (optional)

Normal payment —

Extra monthly payment —

Total interest —

Total paid —

Estimated payoff time with extra —

Principal & Interest uses M = P × r / (1 − (1 + r)⁻ⁿ), where P is loan amount, r is the interest rate for the selected normal payment period, and n is the number of normal payments over the term.