Tire Size Page
285/45R18 Tire Size
A 285/45R18 tire is approximately 28.10 inches tall, with a sidewall height of 5.05 inches and about 717.8 revolutions per mile.
TL;DR: 285/45R18 combines a 285 mm section width, a 45% aspect ratio, and a 18-inch wheel diameter.
Quick facts
Diameter
28.10 in
714 mm overall height
Sidewall
5.05 in
128 mm sidewall height
Circumference
88.27 in
2242 mm per rotation
Revs / Mile
717.8
446.0 revs per kilometer
285/45R18 Dimensions
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 28.10 | 714 |
| Sidewall height | 5.05 | 128 |
| Section width | 11.22 | 285 |
| Circumference | 88.27 | 2242 |
| Wheel diameter | 18 | 457 |
| Revolutions per mile | 717.8 | — |