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what is the formula to calculate loan interest. Outstanding Loan Balance P 1 rnnt 1 rnnm2 1 rnnt 1 Outstanding Loan Balance 1000000 1 612 124 1 612 23 1 612 124 1 Outstanding Loan Balance 550621. The payment on a loan can also be calculated by dividing the original loan amount PV by the present value interest factor of an annuity based on the term and interest rate of the loan.
To accomplish this divide your APR by 12 the number of months in a year. Heres a quick look at the formula to calculate a monthly mortgage payment on a. You can certainly calculate a monthly mortgage payment by hand if you want to but the formula is a bit complex.
Heres a quick look at the formula to calculate a monthly mortgage payment on a.
The The formula in F5 is. In the formula the monthly percentage rate is designated by the letter r. To calculate the total interest for a loan in a given year you can use the CUMIPMT function. The principal amount outstanding is 100000.