Free Auto Loan Calculator Spreadsheet Template
Calculate monthly car payments and view a full amortization schedule. Enter vehicle price, down payment, rate, and term to see the payment breakdown.
What's Included
- Dashboard with auto loan summary showing monthly payment, total interest, and total cost of the vehicle
- Auto loan setup with vehicle price, down payment, trade-in value, interest rate, and loan term inputs
- Full amortization schedule displaying each monthly payment split between principal, interest, and balance
- Down payment and trade-in inputs that reduce the financed amount and recalculate the monthly payment instantly
- Total interest over the loan term with color-coded input cells (yellow) and auto-calculated fields (blue)
- Works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no setup required
Preview
See what's inside this template
How to Use This Auto Loan Calculator Template
Enter vehicle details
Input the vehicle price, down payment amount, and trade-in value if applicable. The financed amount calculates automatically.
Set loan terms
Enter the interest rate and loan term in months. Common terms are 36, 48, 60, or 72 months.
Review the payment
The calculator shows your monthly payment, total interest over the loan, and total cost of the vehicle.
Check the amortization
The schedule shows every monthly payment split between principal, interest, and the declining loan balance.
Built by Claude AI. Perfected by us.
We use Claude AI to draft each free template, after a deep research. Then our team steps in. We refine the layout, stress-test every formula, fix edge cases, and polish the design until it feels like something we would actually use ourselves. The AI gets us 80% there. The last 20% is all human judgment.
Frequently Asked Questions
How does trade-in value reduce the loan?
The trade-in value is subtracted from the vehicle price along with the down payment. The remaining amount is the financed balance used for payment calculations.
What loan term is common for auto loans?
Terms of 36, 48, and 60 months are most common. Longer terms lower the monthly payment but increase total interest paid.
Does it include taxes and fees?
Add sales tax and dealer fees to the vehicle price before entering it, or enter them as separate line items if the template supports it.
Can I see how a bigger down payment helps?
Yes. Increase the down payment amount and the monthly payment and total interest recalculate instantly to reflect the smaller loan.
How do I open this in Google Sheets?
Upload the .xlsx file to Google Drive, then open it with Google Sheets. All formulas and formatting will be preserved.
What license is this template under?
All free templates are released under CC BY 4.0 (Creative Commons Attribution). You can use, modify, and share them freely - including for commercial purposes - as long as you credit FinancialAha.com. They are provided as-is and do not constitute financial advice.
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