Tire Size Page
255/40R17 Tire Size
A 255/40R17 tire is approximately 25.03 inches tall, with a sidewall height of 4.02 inches and about 805.7 revolutions per mile.
TL;DR: 255/40R17 combines a 255 mm section width, a 40% aspect ratio, and a 17-inch wheel diameter.
Quick facts
Diameter
25.03 in
636 mm overall height
Sidewall
4.02 in
102 mm sidewall height
Circumference
78.64 in
1997 mm per rotation
Revs / Mile
805.7
500.6 revs per kilometer
255/40R17 Dimensions
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 25.03 | 636 |
| Sidewall height | 4.02 | 102 |
| Section width | 10.04 | 255 |
| Circumference | 78.64 | 1997 |
| Wheel diameter | 17 | 432 |
| Revolutions per mile | 805.7 | — |