# Auto Loan Calculator

> Calculate your monthly car payments, factoring in trade-in value and sales tax.

Page: https://askcalculators.com/calculator/auto-loan-calculator/
Definition: https://askcalculators.com/calculator/auto-loan-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/auto-loan-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/auto-loan-calculator/?vehiclePrice=35000&downPayment=5000&tradeIn=2000&salesTax=7&interestRate=6.5&months=60

## Inputs
- vehiclePrice: Vehicle Price; type=number; optional; default=35000
- downPayment: Down Payment; type=number; optional; default=5000
- tradeIn: Trade-in Value; type=number; optional; default=2000
- salesTax: Sales Tax; type=number; optional; default=7
- interestRate: Interest Rate; type=number; optional; default=6.5
- months: Loan Term (Months); type=number; optional; default=60

## Outputs
- result: Result; format=text; primary

## Formula
Tax = max(vehicle price − trade-in, 0) × sales-tax rate; financed amount = price + tax − down payment − trade-in; payment = P·r·(1+r)^n ÷ ((1+r)^n−1).

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.