# Tire guys need help with size

**URL:** <https://forums.speedlife.net/t/tire-guys-need-help-with-size/53301>\
**Category:** NYSpeed Automotive\
**Created:** [August 15, 2008, 11:37am UTC](https://forums.speedlife.net/t/tire-guys-need-help-with-size/53301 "2008-08-15T11:37:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![focusinprogress](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/focusinprogress/32/7227_2.png) [@focusinprogress](https://forums.speedlife.net/u/focusinprogress)\
**Post date:** [August 15, 2008, 11:41am UTC](https://forums.speedlife.net/t/tire-guys-need-help-with-size/53301/2 "2008-08-15T11:41:38Z")

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here:

This website kicks SO MUCH ASS when it comes to aftermarker tire and wheel sizing.

> **[Tire Size Calculator - Tire and Wheel Plus Sizing](https://www.1010tires.com/Tools/Tire-Size-Calculator)**
>
> 1010tires.com Tire Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height, circumference, revs per mile and speedometer difference.

you can compare up to 4 tire sizes, or stock +3 others to see what percentage the ratio is off by

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