Tire circumference
Thread Starter
Drifting
Joined: Apr 2000
Posts: 1,655
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From: Jeffersonville In
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Tire circumference
I am looking at 275/35/18 and 235/50/18 and 245/40/18 . Do any of you know how to figure the circumference , how man inches around each of these tires? Front tires in case you wondered. 
Thanks
Thanks
Race Director
Joined: Apr 2007
Posts: 11,152
Likes: 890
From: South Western Ontario
You should be able to find data from the manufacturer that gives the diameter of the tire and possibly a number such as the rotations per mile so you can compare them.
Online sites such as tirerack have that info available.
Peter
Online sites such as tirerack have that info available.
Peter
Instructor
Joined: Feb 2007
Posts: 179
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From: Savage, Minnesota
These websites should have all the info you need,
http://www.miata.net/garage/tirecalc.html
http://www.powerdog.com/tiresize.cgi
http://www.miata.net/garage/tirecalc.html
http://www.powerdog.com/tiresize.cgi
Le Mans Master
Joined: Feb 2003
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From: Memphis Tennessee
Le Mans Master
Joined: May 2000
Posts: 5,266
Likes: 15
From: Syracuse NY
Cruise-In II Veteran
These guys have a nice little tire size calculator... http://www.1010tires.com/TireSizeCalculator.asp
Chuck
Chuck
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