Formula for Interest Compounded Annually Total Amount P1R100 n b. A P 1 r22nand CI A - P where P principal R rate in percent paper annum ie. N Number of compounding periods per year.
Total Amount Principal CI Compound Interest a.
A P 1 rn nt Where. Enter the number of periods you would like the compound interest calculator to compound over Days Months Years. A Final amount. The formula used in the compound interest calculator is A P 1rnnt A the future value of the investment.