Tire Size Calculator


Founding Father
I'm going to go ahead and make that sticky.

Ive been using that simple little program for years. too bad its from a Miata website. Hahaha.



Well-known member
does anybody know of a tire calculator that isn't java. only internet access is on a computer that doesn't belong to me and i'm not allowed to download it



Well-known member
There an app in the android market now too. measurements, how far off the speedo will be, and pretty pictures



New member
Folks I bumped into some snow tires n wheels for my 13 wrx. My stock size is 235 45 17 n these are 245's. About a 1.4% difference. Should I be concerned ?


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