Compare total loan cost
A longer auto loan term can lower your monthly payment while increasing the total interest you pay.
Free Car Buying Tool
Car Payment Calculator
Estimate your monthly car payment, total interest, and payoff schedule. Compare financing options before you buy.
Instant calculationNo sign-upFree PDF report
Loan details
Enter your numbers to see your estimated payment.
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Advanced costs & trade-in
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Your estimated payment
Results update instantly.
$608.10
per month for 60 months
Principal 85%
Interest 15%
Amount financed$31,079.00
Total interest$5,406.78
Cash due today$4,000.00
Total purchase cost$40,485.78
Declining balance over 60 months
Estimate only. Actual rates, taxes, and lender terms may vary.
Understand Your Auto Loan
Look beyond the monthly car payment
Compare the full cost of financing before choosing a loan. Enter a VIN to pull the vehicle details, then test how changes to APR, term, and down payment affect your total cost.
Include taxes and fees
Sales tax, dealer fees, registration, and negative trade-in equity all affect the amount you finance.
Test your down payment
See how more money down or an extra monthly payment could reduce interest and shorten your payoff timeline.
Free Auto Loan Tools
Calculate more than a monthly payment
Estimate the cost of a car loan, look up vehicle details by VIN, compare financing scenarios, and save the details before you visit the dealership.
Vehicle details from your VIN
Enter any 17-character VIN and the calculator automatically retrieves the make, model, year, trim, body style, engine, drive type, and fuel type from the NHTSA database. Your vehicle info appears in the results panel and travels with the shareable link.
Instant monthly payment estimate
Enter the vehicle price, APR, loan term, and down payment to estimate your monthly car payment. Every result updates as you change an input, making it easy to test different budgets without submitting a form or creating an account.
Taxes and purchase fees
Add your local sales tax, dealer fees, registration costs, and title fees for a more complete estimate. Choose whether to pay those costs at signing or finance them as part of the auto loan.
Trade-in equity calculation
Enter both the value of your trade-in and the amount you still owe. The calculator applies positive equity to reduce the loan or includes negative equity in the amount financed, helping you avoid an unrealistically low payment estimate.
Complete loan cost breakdown
See the estimated amount financed, total interest, cash due at signing, and total purchase cost alongside the monthly payment. A principal-versus-interest bar and declining balance chart show where the money goes over time.
Extra payment and early payoff
Add a recurring extra payment to see how quickly it could reduce your balance. The calculator updates the payoff month, total interest, and amortization schedule so you can measure the effect before changing your budget.
Side-by-side loan comparison
Compare your current auto loan offer with an alternative APR, term, and down payment. The trade-off summary identifies the lower monthly payment and shows which option could save more in total interest.
Full amortization schedule
Open a payment-by-payment table showing the amount, principal, interest, and remaining balance for every month of the loan. Use it to understand how slowly principal falls at the beginning of a longer loan term.
Shareable link and PDF export
Copy a link to your core financing scenario or download a detailed PDF for offline review. When you export from the Compare tab, the report includes both loan offers so you can discuss them with a lender, dealer, or co-buyer.
How to Use the Calculator
Build a realistic used car financing estimate
Start by entering a VIN to identify the vehicle, then add the advertised price and the borrowing and ownership costs that often get left out of basic car payment calculators. The result is still an estimate, but it gives you a stronger baseline for reviewing a lender's disclosure or a dealer's worksheet.
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Look up the vehicle from its VIN
Type a 17-character VIN to instantly retrieve the make, model, year, trim, body style, engine, and drive type from the NHTSA database. The vehicle details appear beside your payment estimate and are included when you share the link or export the PDF — so the loan estimate is always paired with the right car.
2
Enter the price and financing terms
Use the negotiated vehicle price rather than choosing a payment first. Enter the APR from your pre-approval or loan quote, select a term from 12 to 84 months, and add the down payment you can make without draining your emergency savings.
3
Add the real transaction costs
Open the advanced fields to include trade-in value, the remaining trade-in payoff, sales tax, dealer fees, registration, and title costs. Toggle fee financing on or off to compare a smaller amount due today with the higher principal and interest that come from rolling those costs into the loan.
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Compare the payment with the total cost
Review the monthly payment together with the amount financed, total interest, cash due at signing, and total purchase cost. Then use the Compare tab to test a shorter term, lower APR, or larger down payment instead of judging an offer by its monthly payment alone.
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Verify the vehicle before committing
A favorable loan does not prove that a used car is worth financing. Review a CARFAX vehicle history report for reported accidents, title information, mileage readings, ownership changes, and available service records, then arrange an independent pre-purchase inspection.
Used Car Financing Checklist
Check the loan and the vehicle before you buy
Affordable financing does not make the wrong vehicle a good deal. Verify the numbers, history, and condition before signing.
1
Get pre-approved
Ask a bank or credit union for an auto loan offer so you know your APR and budget before visiting the dealer.
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Review a CARFAX vehicle history report
Look for reported accidents, title information, odometer readings, ownership history, and service records before financing.
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Compare total cost, not only the payment
Use the Compare tab to see how APR and loan term affect interest, cash due, and total outlay.
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Negotiate the price, not the payment
Agree on the vehicle's purchase price before discussing loan terms, add-ons, or monthly payments.
Auto Loan Questions
Car payment calculator FAQ
Learn how car payments are calculated, how to compare auto loans, and why checking the vehicle's CARFAX history matters before you finance.
Can I look up vehicle details by VIN in the calculator?
Yes. Enter a 17-character VIN and the calculator automatically retrieves the make, model, year, trim, body style, engine, drive type, and fuel type from the NHTSA vPIC database. The vehicle details appear beside your payment estimate and are included in the shareable link and PDF export.
How is the monthly car payment calculated?
The monthly payment is calculated using the standard amortization formula: payment = P × r(1+r)^n / ((1+r)^n - 1), where P is the loan principal, r is the monthly interest rate (APR divided by 1200), and n is the loan term in months. The calculator also accounts for sales tax, dealer fees, registration, trade-in equity, and extra monthly payments.
What's the difference between APR and interest rate?
APR (Annual Percentage Rate) includes the base interest rate plus most loan fees, giving you a truer picture of borrowing costs. Lenders are required to disclose the APR. Our calculator uses APR for accuracy — enter the APR from your loan offer, not just the base interest rate.
Should I finance taxes and fees into my loan?
Rolling sales tax and fees into an auto loan reduces the cash due at signing, but it raises the financed amount, monthly payment, and total interest. Paying them upfront lowers your loan principal. Use the Advanced section to compare both options based on your budget.
How much should I put down on a car?
A 20% down payment is a common guideline because it can offset depreciation and reduce the risk of owing more than the car is worth. Your ideal amount depends on your savings, APR, and vehicle price. Test several down payments to compare the monthly payment and total interest.
Can this calculator help me compare loan offers?
Yes. Switch to the Compare tab to enter two different loan scenarios side by side. Adjust APR, term length, and down payment for each offer. The trade-off summary shows you which offer has the lower monthly payment and which saves you more in total interest. Download the PDF to bring the comparison to the dealership.
Does a lower monthly payment always mean a better deal?
No. A 72- or 84-month auto loan can lower the monthly payment while increasing total interest and keeping you underwater longer. Compare the total loan cost, cash due at signing, and payoff date instead of choosing an offer by monthly payment alone.
Why should I get a CARFAX report before financing a used car?
A payment calculator tells you what the loan may cost, but it cannot tell you what happened to the vehicle. A CARFAX vehicle history report can reveal reported accidents, title information, odometer readings, service history, and ownership records. Review the report before committing to a long-term loan, and always pair it with an independent inspection.
Does a CARFAX report affect my estimated car payment?
A CARFAX report does not change the calculator's formula. However, information in the report may affect what you are willing to pay or finance. Reported damage, title concerns, or inconsistent mileage can help you decide whether to negotiate, inspect the car more closely, or walk away.
Know the payment. Now check the car.
Choose an affordable CARFAX report package before you buy or finance a used vehicle.
View CARFAX Packages