About Car Finance Tools

Car Finance Tools provides free, fast, mobile-first calculators that help car shoppers and owners answer auto loan and lease questions with transparent assumptions. We are not a lender, dealer, broker, lease company, insurance provider, or financial advisor.

What we believe

• Accuracy first — calculation logic is deterministic and tested.
• Plain language — no hidden math, no jargon when avoidable.
• Privacy by default — calculations run in your browser; no PII in share links.
• Estimates only — every result is an educational estimate, not a quote or approval.

How calculations work

Each calculator runs against a pure TypeScript auto finance engine. Every result lists the assumptions used and links to a methodology explanation. See our editorial policy and our privacy notice for more detail.