Bank Loan Calculator Calculate your monthly loan payments easily. Loan Amount ($) Annual Interest Rate (%) Loan Term (Years) Calculate How to Use the Bank Loan CalculatorEnter your loan amount — type in the total amount you plan to borrow.Enter the annual interest rate — for example, 7.5 for 7.5% interest.Enter the loan term in years — like 5, 10, or 20 years.Click the “Calculate” button — your monthly payment will appear instantly below.