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FD Calculator

Enter your deposit details to see the maturity amount.

Work out what a fixed deposit will be worth at maturity. Enter your principal, the annual interest rate, the tenure in years, and how often interest compounds. The calculator applies compound interest and shows both the maturity amount and the interest you will earn. It is currency agnostic, so it works with whatever numbers you enter.

How to use

  1. Enter the principal, the amount you are depositing.
  2. Enter the annual interest rate as a percentage (for example 7 for 7 percent).
  3. Enter the tenure in years.
  4. Choose how often interest compounds: yearly, half yearly, quarterly, monthly, or daily.
  5. Read off the maturity amount and the interest earned, then copy the result if you need it.

Examples

  • A deposit of 100000 at 7 percent for 5 years compounded quarterly grows to about 141477.82, an interest of about 41477.82.
  • A deposit of 50000 at 6.5 percent for 3 years compounded monthly grows to about 60733.58, an interest of about 10733.58.
  • At a 0 percent rate the maturity equals the principal, so 10000 stays 10000 with no interest.

FAQs

What formula does this calculator use?
It uses compound interest: maturity equals principal times (1 + r divided by (100 times k)) raised to the power of (k times t), where r is the annual rate in percent, k is the compounding frequency per year, and t is the tenure in years. Interest earned is the maturity minus the principal.
Does the compounding frequency change the result?
Yes. For the same rate and tenure, more frequent compounding produces slightly more interest, since interest is added to the balance more often. Daily compounding earns a little more than yearly compounding.
Which currency does it use?
None. The calculator is currency agnostic and works on the plain numbers you type, so you can read the results in any currency you like.
Can I enter amounts with commas?
Yes. Grouped input such as 1,00,000 is accepted. Commas are stripped before the calculation runs.
What happens if I enter a zero or negative value?
The calculator validates your input and shows a clear message instead of a wrong answer. Principal, tenure, and compounding frequency must be greater than zero, and the interest rate cannot be negative, though zero is allowed.
Is the interest figure before or after tax?
It is the gross interest earned on the deposit. It does not account for any tax on interest, which depends on your local rules.

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