Load Index

Example:
205/55 R16 91W

The 91W at the end of the tire size is the tire's service description. A service description tells you what load index and speed rating a tire has.

The number (91) represents the tire's load index. The following letter (W) is the tire's speed rating.

Load IndexLbsKg
71761345
72783355
73805365
74827375
75853387
76882400
77908412
78937425
79963437
80992450
811019462
821047475
831074487
841102500
851135515
861168530
871201545
881235560
891279580
901323600
 
Load IndexLbsKg
911356615
921389630
931433650
941477670
951521690
961565710
971609730
981653750
991709775
1001764800
1011819825
1021874850
1031929875
1041984900
1052039925
1062094950
1072149975
10822051000
10922711030
11023371060

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