This will allow you to be more accurate in your personal budgeting and to allocate adequate funds for your monthly payments. P the principal. Loan Payment Loan Balance x annual interest rate12 In this case your monthly interest-only payment for the loan above would be 25.
The NPER argument of 212 is the total number of payment periods for the loan.
Loan Payment Loan Balance x annual interest rate12 In this case your monthly interest-only payment for the loan above would be 25. R Monthly Interest Rate in Decimal Form. Plug those numbers into the payment formula. Calculating payments for an interest-only loan is easier.