About CarLoanTools

Why we built this

Buying a car is one of the biggest purchases most people make, yet the numbers — payment, interest, taxes, insurance, depreciation — are scattered and confusing. Dealerships are motivated to focus on the monthly payment, not the total cost. We built CarLoanTools to put clear, honest math in your hands before you walk onto a lot.

What we offer

• •A main affordability calculator that respects the 20/4/10 rule.
• •Dedicated tools for payments, approval odds, lease vs. buy, insurance, and total cost of ownership.
• •Salary-, credit-score-, and state-specific guidance.
• •Plain-English guides to help you borrow less and buy smarter.

Our principles

• •Free and accessible. No signup, no paywall, mobile-first.
• •Private by design. Your inputs stay in your browser — we don’t store the numbers you enter.
• •Independent. We earn through affiliate offers, but advertisers never influence our calculators or results. See our Advertiser Disclosure.

A note on accuracy

Our tools are educational estimates, not financial advice. Please read our Disclaimer and verify any real numbers with the lender, insurer, or dealer.

Get in touch

Have feedback or a feature request? We’d love to hear it — visit our contact page.