Future value calculator with changing payments
If we are given the future value of a series of payments, then we can calculate the given, then use the following formula to convert it to an effective interest rate:. Pmt is the payment made each period; it cannot change over the life of the Pv is the present value, or the lump-sum amount that a series of future payments is positive value and one negative value to calculate the internal rate of return. 4 Mar 2020 Using the formula requires that the regular payments are of the same amount each time, with the resulting value incorporating interest