Compound Interest Calculator

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate compound interest over a given period of time using different compounding frequencies viz., daily, monthly, quarterly, half-yearly and yearly.

Use this calculator offline with our Android app Get it on Google Play


Annual Interest Rate (%):


Compounding Interval:


Compound interest calculation

The compound interest formula for periodic compounding is derived from the following function:

A(t) = Amount function
A(0) = Principal amount (Initial Investment)
t = Total time in years
n = Number of compounding periods per year
r = Nominal annual interest rate
⌊nt⌋ means that nt is rounded down to the nearest integer.

Compounding is a very powerful concept in financial planning. You can see it at work in your retirement fund and in any deposits in your bank account.

More Interest Calculators