Money Calculators
Use this auto loan calculator to estimate a car payment from vehicle price, down payment, trade-in, sales tax, fees, APR, and loan term.
Live calculator
Based on a 60 month term.
Estimated sales tax is $2,240.00.
Estimated interest paid over the full loan term.
The estimated financed amount is $31,040.00after adding sales tax and fees, then subtracting the down payment and trade-in value. Interest is estimated over 60 monthly payments.
This shows how the vehicle price turns into the loan balance.
| Part | Amount |
|---|---|
| Vehicle price | $32,000.00 |
| Sales tax | $2,240.00 |
| Fees | $800.00 |
| Down payment | -$4,000.00 |
| Trade-in value | -$0.00 |
| Loan amount | $31,040.00 |
Annual principal, interest, and remaining balance.
| Year | Principal | Interest | Ending balance |
|---|---|---|---|
| Year 1 | $5,384.40 | $1,973.59 | $25,655.60 |
| Year 2 | $5,767.90 | $1,590.09 | $19,887.71 |
| Year 3 | $6,178.71 | $1,179.28 | $13,709.00 |
| Year 4 | $6,618.79 | $739.20 | $7,090.21 |
| Year 5 | $7,090.21 | $267.78 | $0.00 |
Use this as a planning estimate. Taxes, fees, rates, account terms, provider policies, local rules, and timing can change real-world results.
Quick answer
Auto Loan Calculator calculates monthly car payment from vehicle price, down payment, trade-in value, sales tax, APR, and term months. The visible formula is Payment = loan amount x monthly rate / (1 - (1 + monthly rate)^-months).
Formula
Payment = loan amount x monthly rate / (1 - (1 + monthly rate)^-months)Loan amount includes tax and fees, then subtracts down payment and trade-in value.
How to use
Example
Calculator use
Before relying on it
Details
These notes make the assumptions explicit, especially where the same search query can mean slightly different things.
The calculator adds tax and fees, then subtracts down payment and trade-in value to estimate the financed amount.
A longer term can lower the monthly payment while increasing total interest and time spent owing on the vehicle.
Compare the loan amount, APR, interest rate, term length, and monthly payment together before picking the cheapest-looking payment.
Benchmarks
The calculator is a decision aid, not a fixed rule. Use the output to compare scenarios and document your assumptions. Benchmark ranges are broad planning heuristics unless this page names a specific source for the range.
A larger down payment can reduce the payment, total interest, and negative-equity risk.
Often used as a middle-ground term when comparing offers.
May lower the payment but can increase total interest and negative equity risk.
Calculator accuracy
The formula, inputs, example, and limitations are shown so the result is checkable, not just a number in a box.
Payment = loan amount x monthly rate / (1 - (1 + monthly rate)^-months)
Vehicle price, Down payment, Trade-in value, Sales tax, APR, Term months
Money results are planning estimates. Actual taxes, account terms, rates, fees, timing, local rules, and provider policies can change the real-world result.
June 6, 2026
Toolkit Shelf. Auto Loan Calculator. Last reviewed June 6, 2026. https://toolkitshelf.com/tools/auto-loan-calculator
FAQ
An auto loan payment is based on loan amount, monthly interest rate, and number of monthly payments.
Yes. Enter your estimated sales tax rate and fees so they can be included in the loan amount.
Yes. Enter trade-in value if it reduces the amount you need to finance.
A longer term may lower the monthly payment, but it can increase total interest and make it easier to owe more than the vehicle is worth.
Lenders can use verified income, credit profile, reserves, fees, escrow rules, insurance, taxes, underwriting guidelines, and product-specific terms.
Stress test rates, payment timing, fees, taxes, insurance, debt payments, and payoff timing before treating a loan or housing estimate as comfortable.