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how to do compound interest formula. You need the beginning value interest rate and number of periods in years. A the future value of the investmentloan including interest P the principal investment amount the initial deposit or loan amount r the annual interest rate decimal n the number of times that interest is compounded per unit t t the time the money is invested or borrowed for.
A is the total amount of money including interest after n years. R Rate of interest. To understand compound interest first start with the concept of simple interest.
How Compound Interest Benefits Savings and Investments.
There is a direct formula to calculate the compound interest. Gather variables the compound interest formula. N number of. To calculate compound interest monthly simply set the compounding frequency setting on the calculator above to monthly Alternatively you can use the formula above and set n equal to 1 and t equal to 12 to find out how much money youll have if interest is compounded monthly for a year.