Compound Interest Calculator

Calculate compound interest and see how your investment grows over time with the power of compounding.

Investment Details

Investment Growth

Enter investment details to see growth

About the compound interest calculator

Calculate how a principal amount grows when interest is added to the balance at a selected frequency. The page also compares the result with simple interest.

How to use it

  1. Enter the principal, annual interest rate, and time in years.
  2. Choose annual, semi-annual, quarterly, monthly, weekly, or daily compounding.
  3. Select Calculate Compound Interest to view the final amount and growth table.

Formula

A = P(1 + r/n)ⁿᵗ; compound interest = A − P

Example

A ₹10,000 principal at 5% annually compounded monthly for one year grows to about ₹10,511.62 before taxes or fees.

Important notes

The estimate assumes a fixed rate and no deposits, withdrawals, taxes, or fees during the period. Real investment returns may vary and are not guaranteed.