| Tire sizes can be found on the tire sidewall. See the following graph below. |
 Tire Width:
The 225 indicates this tire is 225 millimeters across from the widest
point of its outer sidewall to the widest point of its inner sidewall
when mounted and measured on a specified width wheel. This measurement
is also referred to as the tire's section width. |
| Aspect Ratio:
The 50 indicates that this tire size's sidewall height (from rim to
tread) is 50% of its section width. The measurement is the tire's
section height, and also referred to as the tire's series, profile or
aspect ratio. The higher the number, the taller the sidewall; the lower
the number, the lower the sidewall. |
| Rim Diameter:
The 16 indicates the tire and wheel diameter designed to be matched
together. Tires that have a rim diameter expressed in inches
(P225/50R16, as well as 8, 10, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23,
24, 26 and 28) are called inch rim sizes, amd they are the most common
type of tire size and are used on most cars, minivans, vans, sport
utility vehicles and light duty light trucks. |
Service Description:
The 92V represents the tire's Service Description. A Service
Description identifies the tire's Load Index and Speed Rating. Service
Descriptions are required on all speed rated (except for Z-speed rated)
tires manufactured since 1991.
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