Auto Loan Calculator

Use this free auto loan calculator to estimate amount financed, monthly payment, total interest, sales tax, fees, down payment, and trade-in impact.

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Formula steps Estimate limits shown Examples included Private history

Vehicle price ($)Down payment ($)Trade-in value ($)Fees ($)Sales tax (%)Interest rate (%)Loan term (years)

Estimated auto payment$549.92

$27,640 financed at 7.2% for 5 years

Amount financed: $27,640.00
Sales tax: $1,740.00
Total interest: $5,355.02
Total paid: $32,995.02

Trade-in tax treatment and dealer fees vary by location and offer.

Formula steps

Estimate taxable amount from vehicle price minus trade-in value.
Add sales tax and fees, then subtract down payment and trade-in value.
Use the amount financed in the fixed-payment loan formula.
Total interest equals total paid minus amount financed.

How to use the auto loan calculator

Enter the requested dollar amounts, rates, terms, tax settings, or contribution details.
Use rates as percentages, such as 6.5 for 6.5%, and check whether a field asks for a monthly or annual amount.
Press the calculate button to see the answer, supporting metrics, and formula steps.
Use the result as a planning estimate only, then copy it if the assumptions look right.

Common uses

Estimate the payment before shopping for a car.

Compare the impact of down payment, trade-in value, tax, fees, and interest rate.

See how a longer term lowers payment but increases total interest.

Check whether a monthly payment fits a budget before visiting a dealer.

Examples

Used vehicle $32,000 price, $4,000 down, $3,000 trade-in

Amount financed and payment estimate

Lower down payment $28,000 price, $1,500 down, 7.9%

Higher financed amount

Shorter term $25,000 financed over 48 months

Higher payment, less interest

Frequently asked questions

Quick answers about formulas, rates, payment assumptions, estimate limits, examples, and private in-browser history.

What can I use the Auto Loan Calculator for?

Use it for quick planning, comparison, and what-if estimates before you check exact numbers with a lender, tax professional, payroll provider, or financial adviser.

How does the Auto Loan Calculator calculate the result?

The calculator estimates amount financed as price plus sales tax and fees minus down payment and trade-in, then applies the fixed-payment loan formula.

Is this financial, tax, or legal advice?

This is a vehicle-payment estimate only. Dealer fees, lender fees, registration, taxes, rebates, trade-in tax treatment, and credit approval can change the real offer.

Are my finance inputs private?

Yes. The calculator runs in your browser tab. Recent answers stay only on the page while you use it and are not sent to a server.