Compound interest calculator

The following compound interest calculator will help you determine how much compound interest you can earn when investing your money with a company.

Principal or money invested:        $

Annual interest rate:                        %


Interest compounded                          time(s) annually


The compound interest is :             
Guidelines to use the calculator

When entering numbers, do not use a slash: "/" or "\"

First, enter the principal.

The principal is the money you invest with your bank or any investment company.

Second, enter the interest rate

The interest rate is the amount of money you get paid yearly for every 100 dollars you invest

Enter the time, which is how long your money will stay in the bank or the investment company

Finally, enter how many times the interest will be compounded yearly or how often interest is calculated:


Compounded yearly : enter 1

Compounded semiannually or every two months: enter 2

Compounded quarterly or every 3 months: enter 4

Compounded monthly: enter 12

Compounded daily: enter 365

Compounded every two months: enter 6

Compounded every four months: enter 3

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