How to Calculate a Loan's Monthly Payment in Excel With Tax & PMI. Your monthly loan payment consists of more than just equity and interest payments. If you didn't put down at least 20 percent ...

Microsoft Excel offers four inherent functions for calculating the monthly payments, present value, number of payments and the interest rate of an annuity.

Link monthly payment calculations to the PMT function and autofill the cells across the schedule. Calculate interest for each period by multiplying the ending balance by the period rate.

Your mortgage payment includes principal and interest, as well as insurance, taxes and homeowners association fees. Calculating your mortgage payment can give you a good idea of how much house you ...