Fixed Deposit Calculator

See what your fixed deposit will grow to. Adjust the investment amount, interest rate and tenure to view your maturity amount and interest earned, compounded quarterly.

Calculate your FD returns

Investment amount

₹

₹50K₹1Cr

Interest rate (yearly %)

1%10%

Investment tenure

1Y7Y

MATURITY AMOUNT

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Interest earned{{ interestStr }}

Maturity value{{ maturityStr }}

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UNDERSTAND FIXED DEPOSITS

What is a fixed deposit?

A fixed deposit (FD) is a savings product where you invest a lump sum for a fixed tenure at a guaranteed interest rate. Your money earns compound interest — interest is added to the balance at regular intervals (commonly quarterly) and then itself earns interest. At the end of the tenure you receive the maturity amount: your principal plus the accumulated interest.

How FD interest is calculated

A = P × (1 + R÷n)^n×t

A = maturity amount · P = principal · R = annual rate · n = compounding periods/yr (4) · t = years

What affects your FD returns?

Investment amount

A larger principal earns proportionally more interest over the same period.

Interest rate

A higher rate compounds faster, growing your maturity value significantly.

Tenure

A longer tenure gives compounding more time to work in your favour.

Tips to grow your FD

Compare rates across providers

Even a small rate difference compounds into a meaningful gap over a long tenure.

Choose cumulative payout

Reinvesting interest (cumulative FD) lets it compound instead of being paid out.

Use the senior-citizen rate

Most providers offer an extra 0.25–0.50% for senior citizens.

Frequently asked questions

Most fixed deposits compound interest quarterly — this calculator uses quarterly compounding. The interest earned each quarter is added to your balance and itself earns interest for the rest of the tenure.

Yes. Interest earned on a fixed deposit is added to your income and taxed at your slab rate. Banks may also deduct TDS if your interest crosses the prescribed threshold in a year.

Most FDs allow premature withdrawal, but usually with a small penalty and a slightly lower interest rate. Some tax-saving FDs have a mandatory lock-in and cannot be broken early.

A cumulative FD reinvests the interest and pays everything at maturity (best for growth). A non-cumulative FD pays interest out periodically — monthly or quarterly — which suits those needing regular income.

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