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. Compound interest is calculated by multiplying the initial principal amount by one plus the annual interest rate raised to the number of compound periods minus one. If we wanted to pay it off in one year we would need to pay 93 monthly to clear the debt.
P 1r12 n 1 r360d -P P is the amount of principal or invoice amount.
And by rearranging that formula see Compound Interest Formula Derivation we can find any value when we know the other three. The compound interest formula is A P1rn to the power of nt. And by rearranging that formula see Compound Interest Formula Derivation we can find any value when we know the other three. The Monthly compounded Interest Formula can be calculated as.