Formula Used
Monthly payment = P × [r(1 + r)^n] ÷ [(1 + r)^n − 1]
P = principal, r = periodic interest rate, n = number of payments.
How the formula is applied
The calculation links Total Loan Balance ($), Interest Rate (%) and Repayment Term (Years) to monthly payment. A standard amortizing payment repays principal and interest over a fixed schedule. It is different from a payment determined by income or program eligibility.