Get your answer here with this excellent link.
Tire Dimensions Made Simple - Discount Tire
What size is being run now? What size would you like to run?
It will show you the difference in-
Sidewall Height
Section Width
Overall Diameter
Circumference
Revs per mile
Tire Dimensions Made Simple - Discount Tire
What size is being run now? What size would you like to run?
It will show you the difference in-
Sidewall Height
Section Width
Overall Diameter
Circumference
Revs per mile