Auto Loan Calculator

Estimate an auto loan payment, amount financed, total interest, and year-by-year balance.

Results will appear here.

Planning estimate only, not financial, tax, or legal advice. Verify assumptions and current rules before making decisions.

This tool runs completely in your browser. No data is transmitted, stored, or logged.

Save or Share This Tool

Keep this calculator handy. Inputs and results are not included in shared links unless you add them yourself.

Formula & evidence

How this calculator works

Reviewed July 2026

Formula

Amount financed = price − trade-in − down payment + estimated tax + fees; payment = P × r ÷ (1 − (1+r)^−n).

Sources

Sources support the method, terminology, or planning context. Editable assumptions remain your responsibility.

Privacy: Inputs and results stay in this browser. Results are planning estimates, not professional advice.