Car Payment Calculator
Estimate your monthly car payment based on the vehicle price,
down payment, trade-in value, sales tax and loan terms.
Enter your details in the white box. The orange box shows
your estimated financing costs and monthly payment.
What to calculate next?
Suggested next step Budget Calculator →See how this decision fits into your monthly finances.
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How the Car Payment Calculator works
This calculator estimates your monthly vehicle loan payment using the vehicle price, down payment, trade-in value, sales tax, interest rate and repayment term.
Sales tax is calculated as a percentage of the vehicle price. Your down payment and trade-in value are then deducted to estimate the amount financed.
Monthly payments are calculated using a standard fixed-rate amortizing loan formula.
The estimate assumes sales tax is financed and the trade-in has no outstanding loan balance. Actual sales tax treatment varies by state, and dealer fees, registration, insurance and other charges are not included.
What goes into a monthly car payment calculation?
The amount financed is based on vehicle price plus estimated sales tax, less down payment and trade-in value. A fixed-rate loan payment then depends on the amount financed, APR and repayment term. For example, increasing your down payment by $1,000 generally reduces both the financed amount and total interest, all else being equal.