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-   -   comparing tires sizes?? (http://www.wranglerforum.com/f274/comparing-tires-sizes-104824.html)

nottelybill 07-29-2011 10:41 AM

comparing tires sizes??
 
does anyone know a site where I can compare tire sizes. I found one for regular tires like 255, etc. but not those sizes compared to say 10 x30" ones

JeepDirtyGirl 07-29-2011 10:45 AM

I know my 2011 Wrangler Sport has the stock 17 inch wheels and tires that are 255/75/17. I can't remember where I saw it, but if I remember correctly the 255/75/17 equals a 32 X 12 tire. :)

oilwell1415 07-29-2011 11:01 AM

If you go to TireRackdotcom, go to a brand and model of tire, and click on specs it will bring up a list of all sizes for that tire with height, width, weight, etc. Once you have what you need, look up the part number at DTD to purchase.

Or....

You can convert the communist size to real measurements fairly easily.

Width=first number diviced by 25.4 Example: 255/25.4=10", 285/25.4=11.2", etc.

Height is more involved. After you have done the width above, multiply it by the second number and divide that number by 50 and add the rim size.

For a 255/75/17 it would be 10"x75/50+17=32"

nottelybill 07-29-2011 11:18 AM

thank you- the formular is what I needed

JPWheelin 07-29-2011 11:23 AM

If you don't want to do the math yourself...

Tire Size Calculator - tire & wheel plus sizing

desertgoose 07-29-2011 11:24 AM

I'm a bit late. I like this one:

Custom rims, wheel tire packages for your ride - RIMSnTIRES.com

rics1997 07-29-2011 12:00 PM

I like this one

Tire Size Calculator - Compare Tire Sizes

Also have this one bookmarked

Tire size calculator


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