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what is the formula for compound interest semiannually. FV is the amount of money the depositor would have after n years or the future value of that investment. The formula for compound interest is P 1 rn nt where P is the initial principal balance r is the interest rate n is the number of times interest is compounded per time period and t is the number of time periods.
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Monthly then n 12. A P 1 r m mt. Quarterly then n 4.
Number of compounding periods.
In the formula for calculating compound interest the variables i and n have to be adjusted if the number of compounding periods is more than once a year. For example if the annual interest rate equals 92 percent you would divide 92 by 2 to find the semiannual rate to be 46 percent. N Number of compounding periods per year. That is within the parentheses i.
