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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.

COMPOUND INTEREST

Principal Months
1 = .08
2 = .17
3 = .25
4 = .33
5 = .42
6 = .50
7 = .58
8 = .67
9 = .75
10 = .83
11 = .92

Rate

Years

Amount

Interest

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

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