Calculator Compount Interest

Compound Interest Calculator

Enter the values you know. The value left out will be automatically calculated and displayed.

Total principal amount if known
Interest Rate % per year
Time period quantity based on previous selection ( days/weeks/months etc).
Total (Principal + Interest)

Compound Interest Formula

A Total accrued amount i.e. (principal + interest)
P Principal Amount
I Interest Amount
R Annual Nominal interest Rate in percent
r Rate of interest per year r = R / 100
t Time period involved in years(i.e. Calculation period)
n Number of compounding periods per unit

There is a special case when n -> ∞. This is called continuous compounding.

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Calculating Other Variables while not continuously compounding ( i.e. when n !-> ∞ )

Calculate Principal

Calculate rate of interest

Calculate time

Calculating Other Variables while continuously compounding ( i.e. when n -> ∞ )

Calculate Principal

Calculate rate of interest

Calculate time

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