Free Auto Loan Calculator
Use our free auto loan calculator to estimate your monthly auto loan payment from the vehicle price, down payment or trade-in, APR and loan term — and see the total interest you'll pay. Estimate your car loan payment before you shop, so you know what fits your budget.
Auto Loan Calculator
Enter your vehicle and financing details below to estimate your monthly auto loan payment.
$554.43
| Amount financed | $28,000.00 |
|---|---|
| Monthly payment | $554.43 |
| Number of payments | 60 |
| Total interest paid | $5,266.01 |
| Down payment + trade-in | $7,000.00 |
| Total of all payments | $40,266.01 |
| Payoff time | 5 years |
This is an estimate covering the loan only. Sales tax, registration, dealer fees and insurance are not included.
We don't store your inputs. No sign-up required.
Every figure on this page comes from the same amortization formula lenders use, and the guidance is checked against published material from the Consumer Financial Protection Bureau's auto loan resources and the Federal Reserve's G.19 consumer credit release. More about who we are.
Suzon Mahmud
Suzon Mahmud is a consumer-finance writer covering auto loans, mortgages and debt repayment.
Estimates for information only, not financial advice. We do not quote rates, check your credit or contact lenders on your behalf. Every figure here depends on the numbers you enter — confirm your own price, APR and terms with the dealer or lender before signing anything. See our full disclaimer.
Your Estimated Monthly Auto Loan Payment
The result card above leads with the figure a dealer or lender will quote you: the monthly payment. That is what leaves your account every month for the length of the term, and it has to sit comfortably alongside insurance, fuel, maintenance and everything else you already pay for.
Three supporting figures decide whether the deal is actually good. The amount financed is what you are borrowing once the down payment and trade-in come off the price. The total interest is what the loan costs on top of the vehicle — money you never get back. The total of all payments is the complete sum that leaves your account across the whole term.
The card also splits the first payment into principal and interest. Early on, a large share goes to interest because interest is charged on the full outstanding balance. As the balance falls, that split shifts steadily in your favor, and by the final payment almost all of it reduces principal. Open View Payment Breakdown to see the amount financed, the number of payments, the total interest and the payoff time together.
Change any input and every figure updates immediately, which is the fastest way to answer the question that actually matters: what does this vehicle cost me in total, not just this month?
One habit is worth building before you walk into a dealership. Decide your maximum total first — the most you are willing to pay for the vehicle including interest — and work backwards to the monthly payment, rather than starting from a monthly figure someone else suggests. Dealers almost always open with "what payment are you looking for?", and answering that question first hands over control of the term and the price at the same time.
It is also worth running the numbers twice: once with the price you hope to pay, and once with the price you fear you will end up paying. If the second version still fits your budget, you can negotiate calmly. If it does not, you have learned your real walk-away point before any pressure is applied.
What Is an Auto Loan Calculator?
An auto loan calculator estimates what you will pay each month to finance a vehicle, and what that borrowing costs in total. You supply the vehicle price, any down payment and trade-in, the APR you have been quoted and the length of the term; the tool applies the standard amortization formula and returns the monthly payment plus the total interest.
You will see the same tool under several names. An auto loan payment calculator, a car loan payment calculator, a vehicle payment calculator, an automobile loan calculator, a car note calculator and an auto loan payment estimator all do the same arithmetic. Some people search for a finance calculator for auto purchases, or simply a car loan calculator. The wording differs; the math does not.
It is most useful before you start shopping. Dealers negotiate around the monthly payment because it is the number buyers feel, and a payment can always be made smaller by stretching the term — which quietly increases what you pay overall. Knowing your own figures first means you can negotiate the price and the APR separately, and recognise when a lower monthly payment is actually a more expensive loan.
What this tool will not do: it will not tell you what APR you qualify for. Nobody can, without checking your credit. Enter a rate you have actually been quoted — or run two or three plausible rates to see how much the answer moves.
There are three moments when running the numbers changes a decision. The first is setting a budget, before you have chosen anything: working from what you can afford monthly back to a realistic vehicle price stops you from falling for something out of range. The second is comparing two specific offers — a shorter term at one lender against a longer term at another, or a promotional rate against a cash rebate. The third is at the desk, when the finance office presents a payment and you want to check, in a few seconds, whether the figure matches the price, APR and term you actually agreed.
That last check catches more problems than people expect. If the quoted payment is higher than the calculator says it should be, something has been added — an extended warranty, gap cover, a service plan, or a fee rolled into the amount financed. None of those are necessarily wrong, but you should be choosing them deliberately rather than discovering them in the paperwork.
How Is Your Auto Loan Payment Calculated?
An auto loan is an installment loan, so it uses the same amortization formula as a mortgage or a personal loan. The formula finds the single level payment that clears the balance exactly at the end of the term:
M = P × [ r(1 + r)n ] ÷ [ (1 + r)n − 1 ]
where M is the monthly payment, P is the amount financed, r is the monthly interest rate (APR ÷ 12 ÷ 100), and n is the number of monthly payments.
Five inputs drive the result.
Vehicle Price
The price you actually agree to pay, not the sticker price. Negotiate this figure first and separately from the financing — a dealer can offer an attractive monthly payment on an inflated price simply by stretching the term. Every dollar off the price reduces both the payment and the total interest, and it is the one number you have the most direct control over.
Down Payment & Trade-In
Both reduce the amount you finance, and they work identically in the math. A $30,000 vehicle with $3,000 down and a $2,000 trade-in means you borrow $25,000, not $30,000. If you still owe money on the trade-in, only the equity above that balance helps you; negative equity rolled into the new loan increases what you borrow and is one of the fastest ways to end up owing more than the vehicle is worth.
Interest Rate (APR)
The yearly cost of borrowing. The APR includes lender fees expressed as a yearly rate, which makes it the fairer number when comparing offers — a loan with a lower headline rate but higher fees can cost more than one with a slightly higher rate. Because the APR compounds across every month of the term, small differences add up: see our guide to understanding interest rates for how APR, APY and compounding differ.
Loan Term
How many months you spread the balance over. Auto loans commonly run 36 to 84 months. A longer term always lowers the payment and always raises the total interest, because you are borrowing for longer. A vehicle is a depreciating asset, so the risk of owing more than it is worth grows with the term.
Sales Tax & Fees
This calculator covers the loan only. Sales tax, registration, title and documentation fees, and any dealer add-ons are not included — and most simple calculators quietly ignore them, which is why a real quote often comes back higher than expected.
In practice those costs are either paid up front or rolled into the amount financed, where they attract interest for the whole term. Tax rates and fee schedules vary widely by state and county, so we do not estimate them for you. Ask the dealer for the out-the-door price and enter that figure, minus your down payment and trade-in, to get a realistic estimate.
The distinction matters more than it sounds. Paying $2,000 of tax and fees up front costs you exactly $2,000. Rolling the same $2,000 into a five-year loan means paying interest on it for sixty months — so the true cost is higher, and it is spread out in a way that makes it easy to overlook. Whenever you can cover the tax and fees separately, the arithmetic favors doing so.
Auto Loan Payment by Loan Amount
The table below shows what different amounts financed work out at over 60 months, using 7.00% APR for illustration. That rate is a round number chosen to make the arithmetic easy to follow — it is not a quote, an average or a prediction of what you would be offered.
| Amount financed | Monthly payment | Total interest |
|---|---|---|
| $15,000 | about $297 | about $2,821 |
| $20,000 | about $396 | about $3,761 |
| $25,000 | about $495 | about $4,702 |
| $30,000 | about $594 | about $5,642 |
| $35,000 | about $693 | about $6,583 |
| $40,000 | about $792 | about $7,523 |
Because the rate and term are held constant, the figures scale in a straight line: doubling what you borrow doubles both the payment and the interest. That makes the table a quick sanity check — if a dealer's quoted payment is far above the row matching your amount financed, either the APR is higher than you think or the term is shorter, and it is worth asking which.
Note what the table also shows about total cost. Financing $40,000 rather than $25,000 is not just $297 more each month; it is roughly $2,800 more in interest over five years. Enter your own figures in the calculator above to see the exact numbers for your situation.
Reading the table in the other direction is just as useful. If you know the monthly payment you can comfortably afford, find the nearest row and you have a rough ceiling on what you should borrow at that rate and term. Add your planned down payment and trade-in to that figure and you have a realistic vehicle price to shop within — a far more useful number to carry into a showroom than a vague sense of what feels affordable.
How Your Loan Term Changes the Payment
Term is the lever most buyers reach for when a payment feels too high, and it is the one most likely to quietly increase what the vehicle costs. Here is a $30,000 loan across every common term, again at 7.00% APR for illustration:
| Loan term | Monthly payment | Total interest |
|---|---|---|
| 36 months | about $926 | about $3,347 |
| 48 months | about $718 | about $4,483 |
| 60 months | about $594 | about $5,642 |
| 72 months | about $511 | about $6,826 |
| 84 months | about $453 | about $8,034 |
The trade-off in one line: stretching that $30,000 from 48 to 84 months cuts the payment by about $266 a month but adds about $3,551 in interest — roughly 80% more interest for the same vehicle.
There is a second cost that does not appear in the table. A vehicle loses value fastest in its first few years, so on a 72- or 84-month loan many borrowers spend a long stretch upside-down — owing more than the vehicle would sell for. That matters if the vehicle is written off or you need to sell early, because the loan does not shrink to match the vehicle's value. Gap insurance exists precisely because this situation is common on long terms.
A useful habit: pick the shortest term whose payment you can comfortably afford, then treat anything you can pay above it as a bonus. You can model that directly with the Extra Monthly Payment field above.
There is a reasonable counter-argument for the longer term, and it deserves a fair hearing. A smaller required payment gives you breathing room if your income is irregular, and missing payments carries far worse consequences than paying extra interest — late fees, credit damage and, in the worst case, repossession. Taking a longer term and voluntarily overpaying each month gives you the lower obligation as a safety net while still clearing the balance early. The danger is only in taking the longer term and then spending the difference.
Auto Loan vs Car Payment Calculator: Which Should You Use?
Both tools run the identical amortization formula on the same inputs, and for the same figures they return the same answer. The difference is one of emphasis, and it maps onto two different moments in the buying process.
- This auto loan calculator leans toward the loan: the amount financed, the APR, and the total interest the borrowing adds. Use it when you are comparing financing offers, or deciding whether a term is sensible.
- The car payment calculator leans toward the monthly figure — what lands in your budget each month. Use it when you already know roughly what you will borrow and want to check the payment fits.
In short: the car payment calculator answers "can I afford this each month?", while this page answers "what is this loan actually costing me?". Most buyers benefit from checking both, because a payment that fits comfortably can still belong to an expensive loan.
The reason both pages exist is simply that people search for the same tool in different words, and arrive with different questions in mind. Someone who has already chosen a vehicle and wants to know whether the payment fits their month is asking a budgeting question. Someone weighing two financing offers, or deciding between a four-year and a six-year term, is asking a cost question. The arithmetic serving both is identical — only the framing changes.
If you are financing something other than a vehicle, our general loan calculator handles personal and student loans with the same formula, and the mortgage calculator adds property taxes, insurance and PMI for home loans. You can see everything side by side on the calculators hub.
New vs Used Auto Loans
Lenders treat new and used vehicles differently, and the difference shows up in the APR you are offered rather than in the formula itself. Used vehicles are generally considered higher risk — their condition varies, their resale value is harder to predict, and they are more likely to need repairs during the loan — so used-car APRs are typically higher than new-car APRs for the same borrower.
That gap can be offset, sometimes completely, by two things. First, manufacturers subsidize financing on new vehicles to move inventory, which is where unusually low promotional APRs come from. Those offers are genuine but usually restricted to strong credit profiles, specific models and shorter terms — and taking one often means forfeiting a cash rebate, so compare the rebate against the interest saved before choosing.
Second, and more importantly, a used vehicle costs less to begin with. A higher APR on a smaller balance can still produce a lower total cost than a low APR on a much larger one.
Compare the total, not the rate. Run both scenarios through the calculator above — the new vehicle at its quoted APR and term, the used one at its own quoted APR and term — and compare the total of all payments. That single comparison answers the question more reliably than either the sticker price or the headline rate on its own.
Two further points worth knowing. Depreciation is steepest in a vehicle's first two or three years, so a used buyer lets the first owner absorb most of it. And some lenders cap the term on older or higher-mileage vehicles, which can push the monthly payment up even when the amount financed is modest — worth checking before you settle on a budget.
Certified pre-owned vehicles sit between the two categories. They are used, so the purchase price has already absorbed the steepest depreciation, but because they come with a manufacturer-backed inspection and warranty, some lenders price them closer to new-vehicle terms. Whether that is worth the premium over an ordinary used vehicle depends entirely on the numbers in front of you — a comparison the calculator above can settle in under a minute.
One cost that never appears in a loan calculator but belongs in the comparison: insurance. Premiums vary by vehicle, and a newer or more powerful model can cost noticeably more to insure than an older one. If two options look close on total loan cost, the insurance quote can be the deciding factor, so it is worth getting one before you commit rather than after.
How to Get a Lower Auto Loan Rate
The APR has a larger effect on total cost than most buyers expect. On a $30,000 loan over 60 months, for illustration, moving from 7.00% to 6.00% saves about $843 in interest and roughly $14 a month — for a single percentage point, on paperwork alone. These levers are the practical ways to move that number:
- Check your credit before you apply. Your credit profile is the single biggest input into the rate you are offered. Correcting an error on your report costs nothing and can matter more than any negotiation at the dealership.
- Get pre-approved by a bank or credit union. Credit unions in particular are often competitive on standard auto financing. A written pre-approval gives you a benchmark and turns the dealer's finance office into a competitor rather than your only option.
- Compare the APR, not the monthly payment. The APR folds in lender fees, so it is the only figure that lets you compare two offers fairly. Ask for quotes on the same amount and the same term, or the comparison is meaningless.
- Shop your applications close together. Credit scoring models generally treat multiple auto-loan inquiries within a short window as a single rate-shopping event, so comparing several lenders need not cost you several hits.
- Put more down, or choose a shorter term. Both reduce the lender's risk, and some lenders price shorter terms lower. Both also cut the total interest directly, regardless of the rate.
- Consider refinancing later. If your credit improves or rates fall after you buy, refinancing the remaining balance can lower the payment without changing the vehicle.
For what rates are actually doing in the market, use primary sources rather than any figure quoted on a calculator page. The Federal Reserve's G.19 consumer credit release publishes average auto-loan rates, and the Consumer Financial Protection Bureau's auto loan guidance explains how to shop for financing and what to watch for in the paperwork.
How to Use This Auto Loan Calculator
Six steps, and the results update as you type:
- Enter the vehicle price you have agreed, or the out-the-door price if you want tax and fees included in the amount financed.
- Set your down payment as a dollar amount, or pick a percentage from the dropdown and the dollar figure fills in for you.
- Add any trade-in value. Enter only your equity — the vehicle's value minus anything you still owe on it.
- Choose the loan term, from 36 to 84 months. Try more than one and watch the total interest change.
- Enter the APR you have been quoted. If you do not have a quote yet, try two or three plausible rates to see how sensitive the answer is.
- Read the results. The card shows your monthly payment and the principal-and-interest split; open View Payment Breakdown for the amount financed, total interest, total paid and payoff time.
The optional Extra Monthly Payment field is worth a moment. Most US auto loans are simple-interest loans with no prepayment penalty, so anything above the scheduled payment goes straight to principal and reduces the interest charged from that month onward. Enter a figure you could realistically sustain and the tool recalculates the payoff time and the interest saved.
Nothing you type is stored or sent anywhere, so you can run as many scenarios as you like — comparing two vehicles, two terms or two lenders' quotes.
A quick note on the down payment percentage dropdown: it fills in the dollar amount for you based on the vehicle price, so changing the price updates the down payment automatically. If you want a fixed dollar figure instead, simply type it into the box and it will stay put. The same applies to the trade-in field — enter the equity you expect to have, not the vehicle's advertised value, if you still owe money on it.
Frequently Asked Questions
Use the amortization formula M = P × [ r(1 + r)^n ] ÷ [ (1 + r)^n − 1 ], where P is the amount financed, r is the APR divided by 12, and n is the number of monthly payments. Rather than work it out by hand, enter your figures in the auto loan calculator at the top of this page and it applies the formula and shows the total interest.
It depends on three things: the amount financed after your down payment and trade-in, the APR you are offered, and the length of the term. Enter those and the tool computes the payment. We do not quote rates or predict what you will be offered — the result is an estimate built from the numbers you enter.
The math is identical — both use the same amortization formula. The difference is emphasis: an auto loan calculator focuses on the loan itself, the amount financed, the APR and the total interest, while a car payment calculator focuses on the monthly figure you will pay. If you want the monthly number front and centre, use our car payment calculator instead.
A vehicle payment calculator is another name for the same tool. Whether a site calls it an auto loan calculator, a car loan payment calculator, an automobile loan calculator or a car note calculator, it runs the same amortization math on the amount financed, the APR and the term.
Common guidelines are around 20% of the price on a new vehicle and about 10% on a used one, but the practical goal is keeping the loan from exceeding what the vehicle is worth as it depreciates. A larger down payment lowers both the monthly payment and the total interest. Any figure the tool shows is an estimate from the numbers you enter, not a rate quote.
Yes, a longer term spreads the balance over more months, so each payment is smaller. It also raises the total interest, because you are borrowing for longer, and the vehicle keeps losing value while you pay. The shortest term whose payment you can comfortably afford usually costs the least overall.
A trade-in acts as an extra down payment: its value is subtracted from the amount you finance, so the monthly payment and the total interest both fall. If you still owe money on the old vehicle, only the equity above that balance helps you. Negative equity rolled into the new loan increases what you borrow and what you pay in interest.
It depends on your credit profile, the length of the term, the lender, and whether the vehicle is new or used. Rather than guess, gather written quotes for the same amount and term and compare the APR, which includes fees. The Federal Reserve publishes average auto-loan rates in its G.19 consumer credit release, and the Consumer Financial Protection Bureau explains how to shop for auto financing.
Our Methodology
Payments are calculated with the standard fixed-rate amortization formula shown above, applied monthly with no rounding until the figure is displayed. The tool assumes a fixed APR for the whole term and equal monthly payments. Where you enter an extra monthly payment, the loan is walked month by month so the shortened payoff time and the interest saved are exact rather than estimated.
Prices, APRs, terms, down payments and trade-in values are estimates you supply. We do not quote rates, check your credit, or contact dealers or lenders on your behalf. Where this page uses 7.00% APR in a table or example, it is an illustrative round number chosen to make the arithmetic easy to follow — not an average, an offer or a prediction. For real market figures, see the Federal Reserve and CFPB links above.
Results exclude tax, fees and insurance. Sales tax, registration, title and documentation fees, dealer add-ons, gap cover, extended warranties, insurance, fuel and maintenance are all outside the scope of this calculator, and they vary widely by state and vehicle. Leases, balloon-payment agreements and variable-rate financing are not modeled either.
Table figures are rounded to the nearest dollar, so a total may differ by a dollar from the sum of its rounded parts. Every number published on this page was recomputed from the formula before publication. If you find a figure that looks wrong, please tell us — we check every report.
Related Calculators
These free tools cover the rest:
- Car Payment Calculator — the same loan math with the monthly payment front and centre.
- Loan Calculator — monthly payment and total interest on a personal or student loan.
- Mortgage Calculator — home loan payment including property taxes, insurance and PMI.
- Debt Payoff Calculator — how fast you can clear an existing balance.
- Understanding Interest Rates — what APR really means and how compounding works.
- All Calculators — every free tool on the site in one place.
- About — who writes this site and how the tools are built.
- Disclaimer — the limits of what these estimates can tell you.