R Annual Nominal Interest Rate in percent. The formula used in the compound interest calculator is A P 1rnnt A the future value of the investment P the principal investment amount r the interest rate decimal. Enter 0 for initial savings if there is no initial deposit.
Annual Interest Rate How many years.
N represents the number of periods. N number of compounding periods per unit. To calculate compound interest use the formula below. PV represents the present value of the investment.