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How to read inch sizes: 35X12.50R15LT E
Diameter : 35
The Diameter of this tire size is 35 inches. The first number in a high flotation tire size is the overall diameter of the tire.
Section Width : 12.50
The width of this tire size is 12.5 inches. The second number in a high flotation tire size is the width of the tire in inches.
Tire Construction : R
The tire construction of this tire size is R for radial. This letter is for how the tire is constructed. Radial is the standard construction method for almost all tires.
Wheel Diameter : 15
The wheel diameter of this tire size is 15 inches. The tire is designed to be mounted on an 15 inch wheel diameter.
Tire Class : LT
The tire class of this tire size is 'LT' which means it is a Light Truck tire.
Load Range : E
Tire load range of this tire size is 'E' which means it has a 10 ply tread. Other load ranges include B: 4 ply, C: 6 ply and D: 8 ply.
“Take care of your car in the garage, and the car will take care of you on the road.”
How to read metric sizes: P255/60R17 102V
Tire Class : P
Tire tire class of this tire size is 'P' which means it is a passenger car tire. The first letter in the tire size designates the tire class. An 'LT' would be a light truck class and no letter would be a euro-metric tire.
Section Width : 255
The width of this tire size is 255mm wide. The first number in a metric tire size is the section width of the tire.
Aspect Ratio : 60
The aspect ratio on this tire size is 60. The second number in a metric tire size is called the aspect ratio and means that the sidewall height is 60% of the section width.
Tire Construction : R
The tire construction of this tire size is R for radial. This letter is for how the tire is constructed. Radial is the standard construction method for almost all tires.
Wheel Diameter : 17
The wheel diameter of this tire size is 17 inches. The tire is designed to be mounted on an 17" wheel diameter.
Load Index : 102
The load index of this tire is 102 - 1874 lbs. This number is the load index and the maximum amount of weight the tire can carry. A higher number means the tire can carry more weight.
Speed Rating : V
The speed rating of this tire size is V - 149 mph. This letter is the speed rating of the tire and indicates the maximum speed the tire can sustain.
