About TireMath

Our Mission

TireMath was built to make tire sizing simple. Whether you're upgrading your truck's tires, fitting new wheels, or just curious about how a different tire size will look and perform — our calculators give you instant, accurate answers.

Why TireMath?

Accurate formulas: We use industry-standard tire sizing math, verified against real-world measurements.
Free forever: All tools are free with no sign-up required.
Mobile-first: Designed to work on your phone at the tire shop or in the garage.
Privacy focused: All calculations happen in your browser. We don't store any data.

Disclaimer

TireMath calculators provide estimates based on mathematical formulas and published tire specifications. Actual tire dimensions may vary by manufacturer. Always verify fitment with a tire professional before purchasing. We are not responsible for incorrect fitment or vehicle modifications.