Enter your desired payment or, enter in the loan amount. You can then examine your principal balances by payment, total of all payments made, and total interest paid. Click the Report button to see a monthly payment schedule. * Old version of netscape may not work, calculators will not work if java is disabled… Definitions Monthly payment: Monthly payment for this loan. Interest rate: Annual interest rate for this loan. Term: Number of months for this loan. Loan amount: Total amount of your loan.