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Fixed Deposit (FD) Calculator

Calculate your fixed deposit maturity amount and interest earned.

Last updated: 8 Aug 2026

Quick answer

A fixed deposit grows by A = P(1 + r/n)^(n×t), where n is the compounding frequency. For example, ₹1,00,000 at 7% compounded quarterly for 5 years matures to about ₹1,41,478 (₹41,478 interest). Enter your amount, rate and tenure above for an instant maturity figure.

₹
% p.a.
years

A fixed deposit (FD) earns compound interest over a locked tenure. This calculator uses A = P(1 + r/n)^(n·t) to show your maturity amount and total interest for any deposit, rate, tenure and compounding frequency (banks usually compound quarterly).

How to calculate FD maturity

  1. 1 Enter your deposit amount (principal).
  2. 2 Enter the interest rate and tenure, and pick the compounding frequency.
  3. 3 We apply the compound interest formula A = P(1 + r/n)^(n·t).
  4. 4 See your maturity amount and interest earned.

Frequently asked questions

How is FD maturity calculated?
Using A = P(1 + r/n)^(n·t), where P is the deposit, r the annual rate, n the compounding frequency per year, and t the tenure in years.
How often is FD interest compounded?
Most Indian banks compound FD interest quarterly, though you can choose other frequencies here to compare.
Is FD interest taxable?
Yes, FD interest is taxable as per your income slab, and banks deduct TDS if interest crosses the threshold in a year.

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