Smart Maker

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Compound Interest Calculator

Calculate compound interest and investment growth with yearly, quarterly, monthly or daily compounding.

Investment Details

Enter calculation details

Enter your principal, interest rate, time and compounding frequency.

Time Unit

Compounding Frequency

Interest on interest

Compound interest is calculated on both the principal and previously earned interest.

Your growth result will appear here

Enter the investment amount, annual interest rate, time and compounding frequency to calculate compound interest.

01

Enter Principal

Enter the starting amount you want to invest or borrow.

02

Select Compounding

Enter the rate and time, then choose how frequently interest compounds.

03

View Growth Result

See compound interest, final amount and yearly growth details.