Compound Interest Calculator

How to calculate compound growth

Compound growth adds interest to the balance so later periods can earn interest on earlier interest. The compounding frequency determines how often interest is added.

Formula

principal × (1 + rate ÷ 100 ÷ n)^(n × years)

Worked example

Starting amount

1,000

Annual rate (%)

5

Years

10

Compounds per year (integer)

12

Applying the formula to these values gives 1,647.00949769 .

What should I check?

This model assumes a constant rate and no deposits, withdrawals, fees or taxes. It does not predict investment returns.

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