# Compound Interest Calculator

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**How to use this calculator**

The compound interest calculator allows you to perceive how your cash can develop utilizing interest compounding.

Calculate compound interest on an investment, 401K or savings account with annual, quarterly, daily or nonstop compounding.

We give answers to your compound interest calculations and show you the means to discover the answer. You can likewise experiment with the calculator to perceive what diverse interest rates or loan lengths can mean for the amount you'll pay in compounded interest on a loan.

Peruse further underneath for extra compound interest formulas to discover principal, interest rates
or final investment value. We likewise tell you the best way to calculate continuous compounding with the formula **A = Pe^rt**.

**The Compound Interest Formula**

This calculator utilizes the compound interest formula to discover principal plus interest. It utilizes this equivalent formula to solve for principal, rate or time given the other known values. You can likewise go through this formula to set a compound interest calculator in ExcelÂ®1.

**A = P(1 + r/n)nt**

In the formula

A = Accrued amount (principal + interest)

P = Principal amount

r = Annual nominal interest rate as a decimal

R = Annual nominal interest rate as a percent

r = R/100

n = number of compounding periods per unit of time

t = time in decimal years

I = Interest amount

ln = natural logarithm, used in formulas below

**Compound Interest Formulas Used in This Calculator**

The basic **compound interest formula A = P(1 + r/n)nt** can be utilized to discover any of different variables.
The tables beneath show the compound interest formula reworked so the obscure variable is isolated on the left half of the equation.