Fixed Deposit (FD) Calculator

Developed by Hemant Parashar, B.Sc.

Calculate interest earned and final maturity values on commercial and retail bank Fixed Deposits.

Banking Disclaimer

Calculations are approximations. Interest rates are subject to change by commercial banks according to RBI directives. Taxes/TDS are not included in calculations.

Deposit Information

%
years

Fixed Deposit Maturity

Invested Principal
Interest Earned
Maturity Value
Principal Interest

How to Use the FD Calculator

A Fixed Deposit (FD) is a secure investment offered by banks and non-banking financial institutions in India. Follow these steps:

  • Input the deposit sum you wish to invest.
  • Input the current rate offered by your bank for that specific tenure.
  • Select the compounding frequency (Indian bank FDs standardly compound every quarter).

FD Compound Formulas

The maturity calculation leverages standard compound interest mathematical models:

M = P * (1 + r / n)^(n * t)

Where:

  • M: Maturity Value.
  • P: Principal deposit amount.
  • r: Annual interest rate (decimals, e.g. 6.5% = 0.065).
  • n: Compounding frequency per year (1 for yearly, 4 for quarterly).
  • t: Tenure in years.

Frequently Asked Questions (FAQ)

Q: What is the standard compounding frequency for bank FDs in India?

A: Most commercial banks in India compound interest on Fixed Deposits on a quarterly basis.

This tool was developed and verified by Hemant Parashar, B.Sc. Graduate and part-time blogger, to provide free, high-accuracy mathematical resources for educational use.