Tire Size Page
235/55R18 Tire Size
A 235/55R18 tire is approximately 28.18 inches tall, with a sidewall height of 5.09 inches and about 715.8 revolutions per mile.
TL;DR: 235/55R18 combines a 235 mm section width, a 55% aspect ratio, and a 18-inch wheel diameter.
Quick facts
Diameter
28.18 in
716 mm overall height
Sidewall
5.09 in
129 mm sidewall height
Circumference
88.52 in
2248 mm per rotation
Revs / Mile
715.8
444.8 revs per kilometer
235/55R18 Dimensions
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 28.18 | 716 |
| Sidewall height | 5.09 | 129 |
| Section width | 9.25 | 235 |
| Circumference | 88.52 | 2248 |
| Wheel diameter | 18 | 457 |
| Revolutions per mile | 715.8 | — |