Interest Calculator

Compare Simple vs. Compound Interest growth.

Enter your investment details below.

Principal Amount $

Annual Rate %

Time Period Years

Compound Frequency

Currency

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Simple

Compound

Projected Value

Simple Total

$0.00

+ $0.00 Interest

Compound Total

$0.00

+ $0.00 Interest

The Formulas

Interest is calculated only on the original principal amount.

A = P(1 + rt)

Interest is calculated on the principal plus accumulated interest.

A = P(1 + r/n) nt