# TireSpecLab

> Tire size and wheel fitment calculators, specs and sourced tire comparisons


## Pages

- [Privacy Policy](https://tirespeclab.com/privacy-policy/): This policy explains what information is processed when you visit TireSpecLab.
- [Tire Load Index and Speed Rating Chart](https://tirespeclab.com/tire-load-index-speed-rating-chart/): Look up any tire load index and speed rating: pounds and kilograms per tire, maximum speed, and the full charts.
- [Contact](https://tirespeclab.com/contact/): Questions, corrections or a size you would like us to cover? Email us at contact@tirespeclab.com.
- [TireSpecLab](https://tirespeclab.com/): Free calculators for tire sizes and wheel offset, and plain-English guides built on manufacturer specifications. No fake tests, just the math and the sources.
- [Affiliate Disclosure](https://tirespeclab.com/affiliate-disclosure/): Some links on TireSpecLab may be affiliate links. If you click one and buy something, we may earn a commission from the retailer at no extra cost to you.
- [Editorial Policy](https://tirespeclab.com/editorial-policy/): This page explains how TireSpecLab content is researched, written, checked and corrected. It describes the process actually in use.
- [About TireSpecLab](https://tirespeclab.com/about/): TireSpecLab helps drivers in the United States answer the questions that come up before they buy tires or wheels: will this size fit, how much taller is it, what happens to my speedometer, and how do two tires really compare on paper.
- [Wheel Offset Calculator: Backspacing and Poke](https://tirespeclab.com/wheel-offset-calculator/): Compare two wheels by width and offset: backspacing, front spacing, poke and inner clearance in inches and mm.
- [Tire Size Calculator: Compare Two Tire Sizes](https://tirespeclab.com/tire-size-calculator/): Compare two tire sizes: overall diameter, width, sidewall, revolutions per mile, clearance and speedometer error.


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