Tire Sizing Chart; Service Description:; Example Size Designation: P215/65R15XL 95H, 215/65R15 96H, LT235/85R16C, T145/80D18 103M, 31x10.5 R15 LT- Page 233

2018 Jeep Wrangler JL User Guide

Table of Contents

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Tire Sizing Chart

EXAMPLE:

Example Size Designation: P215/65R15XL 95H, 215/65R15 96H, LT235/85R16C, T145/80D18 103M, 31x10.5 R15 LT

P

= Passenger car tire size based on U.S. design standards, or

"....blank...."

= Passenger car tire based on European design standards, or

LT

= Light truck tire based on U.S. design standards, or

T or S

= Temporary spare tire or

31

= Overall diameter in inches (in)

215, 235, 145

= Section width in millimeters (mm)

65, 85, 80

= Aspect ratio in percent (%)

Ratio of section height to section width of tire, or

10.5

= Section width in inches (in)

R

= Construction code

"R" means radial construction, or

"D" means diagonal or bias construction

15, 16, 18

= Rim diameter in inches (in)

Service Description:

95

= Load Index

A numerical code associated with the maximum load a tire can carry

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  • Ratio of section height to section width of tire, or 10.

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