Auto Loan Payment Calculator Before buying a new or used car, it's likely that many questions will arise, particularly in regard to financing. For example: What will the monthly payment be? How will the loan term affect the monthly payment (e.g., 3-year, 6-year)? How will the interest rate affect the monthly payment? This calculator can be used to answer these questions and illustrate key issues. Enter the required values to calculate the monthly payment, and select the desired output. An annual amortization table and two charts comparing principal and interest payments can be generated. Loan amount $ Annual interest rate % Term --Select--1 year 2 years3 years4 years5 years6 years7 years8 years9 years10 years