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Auto Loan Calculator.

Estimate monthly car loan payments with trade-ins, dealership fees, and taxes.

FREE INSTANT RESULTS NO SIGNUP UPDATED 2026

Parameters

$
$
%
%
mos

Summary Output

Monthly Car Payment
$$0.00
Estimated Sales Tax
$$0.00
Total Amount Financed
$$0.00

How to Use

Enter the auto purchase price, your total down payment or trade-in value, local sales tax rate, APR, and term in months. This calculator adjusts the loan amount to account for taxes.

Example Calculation

A $35,000 car with $5,000 down/trade-in, 7% sales tax ($2,450 tax), financed at 5.5% over 60 months results in a monthly payment of $616.71.

Formula

Loan Amount = Purchase Price * (1 + Tax Rate) - Down Payment
Monthly Payment = Loan Amount * [ i(1 + i)^n ] / [ (1 + i)^n - 1 ]

Frequently Asked Questions

Common questions and answers about the Auto Loan Calculator.

The Auto Loan Calculator is a free online tool designed to estimate monthly car loan payments with trade-ins, dealership fees, and taxes. It allows you to perform these calculations quickly and accurately without manual computations.
Enter the auto purchase price, your total down payment or trade-in value, local sales tax rate, APR, and term in months. This calculator adjusts the loan amount to account for taxes. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Auto Loan Calculator uses the following formula to calculate your results: Loan Amount = Purchase Price * (1 + Tax Rate) - Down Payment Monthly Payment = Loan Amount * [ i(1 + i)^n ] / [ (1 + i)^n - 1 ] This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example: A $35,000 car with $5,000 down/trade-in, 7% sales tax ($2,450 tax), financed at 5.5% over 60 months results in a monthly payment of $616.71. This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Auto Loan Calculator, you need to enter: Vehicle Purchase Price, Down Payment / Trade-In, Sales Tax Rate, Loan Interest Rate, Loan Term. These inputs help the tool calculate precise results tailored to your situation.
The Auto Loan Calculator outputs the following details: Monthly Car Payment, Estimated Sales Tax, Total Amount Financed. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Auto Loan Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Auto Loan Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.