Auto Loan Calculator With Tax and Fees

Estimate a realistic monthly car payment from price, down payment, trade-in value, sales tax, fees, APR, and loan term.

Free online calculatorInstant estimateNo account required

Vehicle Details

Results

Amount Financed$0
Monthly Payment$0
Estimated Sales Tax$0
Total Interest$0
Total Paid Including Down Payment$0
Payoff Date—
Amount financed
Interest

Enter your vehicle details and click calculate.

Yearly Amortization

Year Starting Balance Principal Paid Interest Paid Ending Balance
auto loan calculator with tax and fees guide

How to use this auto loan calculator with tax and fees

This auto loan calculator helps you compare the real cost of financing a vehicle. A car payment is affected by the price, taxes, dealer fees, down payment, trade-in, interest rate, and loan length.

Steps

  1. Enter the vehicle price.
  2. Add your down payment and trade-in value.
  3. Enter the sales tax rate, fees, APR, and loan term in months.
  4. Review monthly payment, amount financed, total interest, and payoff date.

Calculation method

The tool estimates taxable amount, sales tax, amount financed, fixed monthly payment, total interest, and a yearly payoff table.

Example scenario

A lower payment from a longer term can still raise total interest. Use the same vehicle price with 48, 60, 72, and 84 months to see how much term length changes the total cost.

Tips for a better estimate

  • Compare total interest, not just the monthly payment.
  • Enter a realistic trade-in value after any loan payoff.
  • Use the shortest term that still fits your budget safely.

Auto Loan Calculator With Tax and Fees FAQ

Does this include sales tax?

Yes. Enter a sales tax percentage and the calculator estimates sales tax on the taxable vehicle amount.

Should I use the dealer fee number?

Yes. Dealer, registration, title, and documentation fees increase the amount financed if they are rolled into the loan.

What term should I compare?

Common terms are 36, 48, 60, 72, and 84 months. Shorter terms usually cost less interest but have higher monthly payments.