Anybody have tire chart 315? 33's?
12-12-2005, 09:29 PM
#1
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Anybody have tire chart 315? 33's?
Ive been looking forever to find a site that has a tire chart that converts the differnt tire sizes
315/70/17??
33X12.50.17???
Any help?
315/70/17??
33X12.50.17???
Any help?
12-12-2005, 09:40 PM
#4
Registered User
Not really sure what you are asking for, but here is a tire comparison calculator and the BFG All Terrain T/A specification chart.
http://www.1010tires.com/TireSizeCalculator.asp
http://www.bfgoodrichtires.com/asset...rain_ta_kd.pdf
http://www.1010tires.com/TireSizeCalculator.asp
http://www.bfgoodrichtires.com/asset...rain_ta_kd.pdf
12-12-2005, 09:41 PM
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12-12-2005, 11:17 PM
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a 315 is not necessarily a 33" or a 35", it just tells you how wide the tire is. when someone says the have a 315/70/17, that tells you that the tire is 315 wide, the sidewall is 70% as tall as the tire is wide and the 17 is the rim size. so if you had a 315/50/17, it wouldnt be as tall as a 315/70/17. with that being said i believe the tire you are talking about is a 33". 
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12-13-2005, 05:31 AM
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12-13-2005, 07:44 AM
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12-13-2005, 12:08 PM
#10
well a 315/70-17 is 34.4 short story long the tire is 315MM wide. the sideall is 70% of that. your wheel is 17. so 315 x .70 x 2 +17= tire diameter
33" is 33"
just use the coverters above.
33" is 33"
just use the coverters above.
12-13-2005, 12:29 PM
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how to do the math
The "metric" tire measurement works like this:
first number is the tire width in mm: divide by 25.4 do get width in inches
The second number is the aspect ratio (the % of the width that is the sidewal)l: so multiply the width (in inches) by the aspect ratio in decimal (ex .75). Now add the rim diameter and 2 times the (width*aspect ratio). and viola! The tires approximate dimensions in SAE units (inches).
Heres an example: 285/75r16:
285/25.4=11.22 inches
.75*11.22=8.4 inch sidewall
2*8.4+16=32.8" Tire diameter (varies slightly by wheel width ect. but gives you a good idea
first number is the tire width in mm: divide by 25.4 do get width in inches
The second number is the aspect ratio (the % of the width that is the sidewal)l: so multiply the width (in inches) by the aspect ratio in decimal (ex .75). Now add the rim diameter and 2 times the (width*aspect ratio). and viola! The tires approximate dimensions in SAE units (inches).
Heres an example: 285/75r16:
285/25.4=11.22 inches
.75*11.22=8.4 inch sidewall
2*8.4+16=32.8" Tire diameter (varies slightly by wheel width ect. but gives you a good idea
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