What tire size is this?
When I bought my vehicle it came with almost brand new Hercules Terra Trac A/T tires on it. They look very aggressive and are very nice. Only thing is I dont know the size of the tire. I know the rims are 15's but no where on the tire does it say its size. On the tire it does say 235/75R15
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RE: What tire size is this?
235 tire diameter in metric/75 aspect ratio width R type of tire 15 size of the rim opening |
RE: What tire size is this?
x
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RE: What tire size is this?
I think he's trying to determine what it is in inches...
Doing the math, 1mm == 0.03937in So the width is 235mm * 0.3937in/mm = 9.252in 75 is the aspect ratio, or the ratio of width to sidewall height, as a percentage. So H_s == Height of sidewall = 9.252*75% = 9.252*0.75 = 6.939in Now we know it's a 15" rim, but to get the overall tire diameter, you must double the sidewall and add the rim width. Overall Diameter = 15 + 2 * H_s = 15 + 2 * 6.939 = 28.878in Which rounds out to the accepted 28.9in outside diameter that is the 235/75R15 tire. If you don't feel like doing the math or unit conversions, I found a nice java utility a LONG time ago that would do it for you. You can also compare tire sizes. Tire Size Calculator |
RE: What tire size is this?
Good job Kyle!.....this is a VERY common misconception:
235 tire diameter in metric/75 aspect |
RE: What tire size is this?
swartlkk thank you so much. That was exactly what I was looking for, I really appreciate all you guys help. Thank you!
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RE: What tire size is this?
Not a problem, that's what we're here for!!!
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