Fixed Deposit (FD) Calculator

How does FD interest work?

Fixed Deposit (FD) is a popular investment where you deposit a lump sum for a fixed period at a fixed interest rate.

FD compound interest formula:
A = P × (1 + r/n)^{n × t}

• P = Deposit amount
• r = Annual interest rate (in decimal)
• n = Number of compounding periods per year
• t = Tenure in years
• A = Maturity amount