N = Total # of Months for the loan ( Years on the loan x 12) Example: Monthly payment for 5 year auto loan, with a principal How Much Interest Do You Pay? P = Principal Amount on the Loan. Monthly Payment Formula: Monthly Payment = PMT( Interest Rate, Number of Payments To Pay Off, Loan Amount, 0) Monthly Payment Definition. After rearranging the formula to solve for P, the formula would become: This can be further simplified by multiplying the numerator times the reciprocal of the denominator, which is the formula …

r = Monthly Interest Rate (in Decimal Form) = (Yearly Interest Rate/100) / 12. Try out the free online monthly payment calculator today!

The Monthly Payment Calculator will calculate the monthly payment for any loan if you enter in the total loan amount, the number of months to pay off the loan, and the loan annual interest rate. Calculating payments for an interest-only loan is easier. To calculate the monthly payment on an auto loan use this car payment formula: c = Monthly Payment.

). Multiply the amount you borrow (a) by the annual interest rate (r), then divide by the number of payments per year (n). … The annuity payment formula can be determined by rearranging the PV of annuity formula.

Plug those numbers into the payment formula: {100,000 x (.06 / 12) x [1 + (.06 / 12)^12(30)]} / {[1 + (.06 / 12)^12(30)] - 1} (100,000 x .005 x 6.022575) / 5.022575; 3011.288 / 5.022575 = 599.55 ; You can check your math with the Loan Amortization Calculator spreadsheet. [ citation needed ] It can also factor in a potential mortgage payment and other associated housing costs ( property taxes , homeownership dues, etc. A mortgage calculator can help to add up all income sources and compare this to all monthly debt payments. Interest-Only Loan Payment Formula .