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Thread: wheel help....

  1. #1
    Jr. Mechanic DSpivey's Avatar
    Join Date
    May 2009
    Homerville Ga

    Default wheel help....

    I know this is commonly asked but im just curious guys, how big is a 275/55/20 tire in inches? im trying to decide how big i need to go on my 20" rims. thanks
    Last edited by DSpivey; 02-18-2010 at 10:26 PM. Reason: scratch that boys.....haha its too small, gott find something bigger than that

  2. #2


    275mm wide, 275 divided by 25 = 11 inches WIDE, and then 55% of 11 inches, 6.05 Sidewall height, and there' two sidewalls, the top, and the bottom, so there's 12.1 inches of rubber on top of the 20 inches of rim, so those tires are around 32.1" tall. Hope that helps!
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  3. #3
    Jr. Mechanic DSpivey's Avatar
    Join Date
    May 2009
    Homerville Ga


    haha yea man it does.....i appreciate it. i think im gonna try to run a 305/55/20 with a 20x9 xd monster wheel. I just sold my rockstars b/c they were becoming too common around here and i wanted something a little bigger.

  4. #4

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    Here is a site that will calculate the overall diameter
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  5. #5
    Jr. Engineer lsutoms's Avatar
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    Sep 2009
    baton rouge louisiana


    31.9" diameter
    10.82" width
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