Online FD Calculator

Calculate your fixed deposit maturity amount and total interest with standard quarterly compounding — for cumulative FDs or quarterly-payout FDs, instantly.

FD Formula

Cumulative FD (quarterly compounding): A = P × (1 + r ÷ 400)4×t, interest = A − P.
Quarterly payout FD: interest per quarter = P × r ÷ 400, paid out every quarter; the principal is returned at maturity.