Compound Interest Calculator
The following compound interest calculator calculates the balance and the interest after a certain number of years for any given principal or interest rate.
How to use this calculator
Use your keyboard to enter the principal, the interest rate, and the time in years.
If you want to find the compound interest after only a few months, convert the time into years by dividing the number of months by 12. The right side of the calculator gives you a quick conversion also.
Important Formula
The following formula can be used to find the compound interest manually.
B = p(1 +r)^t
To learn more about finding the
compound interest
check out this
interesting video.
To learn about the difference between the
simple interest and compound interest
watch this
online video
Return from the
Compound Interest Calculator
to
Algebra Calculator
