Auto Loan Calculator

Calculate monthly car payment with trade-in and tax.

About this tool

Calculate your estimated monthly car payment, factoring in the vehicle price, down payment, trade-in value and sales tax \u2014 not just a simple loan amount.

Key Features

  • Accounts for down payment and trade-in
  • Applies sales tax to the price minus trade-in (common in many US states)
  • Standard amortized loan payment formula

How to Use

  1. Enter the vehicle price, down payment and trade-in value.
  2. Enter your local sales tax rate, loan term and APR.
  3. Click Calculate Payment.

Benefits

  • Budget for a realistic monthly payment before visiting a dealership
  • See how a larger down payment or trade-in reduces your payment
  • Compare loan terms and rates

Frequently Asked Questions

Many US states only tax the difference between the vehicle price and your trade-in value (called a trade-in tax credit), which is what this calculator assumes \u2014 check your specific state's rules, since a few states tax the full price regardless of trade-in.
No \u2014 this covers the vehicle price, tax, down payment and trade-in only. Additional fees vary by dealer and state and would increase the amount financed if rolled into the loan.

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