N number of. For the formula for compound interest just algebraically rearrange the formula for CAGR. Pounds 40 5 pounds 40 pounds 2 pounds 42.
To use the compound interest formula you will need figures for principal amount annual interest rate time factor and the number of compound periods.
To calculate compound interest use the formula below. Total Value 206103 Total Interest 106103. How to calculate it depends on the type of financial instrument the type of rate used APR or APY the number of compounding periods and other factors. How to calculate compound interest A the future value of the investment P the principal investment amount r the interest rate decimal n the number of times that interest is compounded per period t the number of periods the money is invested for.