315/55R17 tire size
A 315/55R17 tire stands 30.6 inches tall and 12.4 inches wide, with a 6.8-inch sidewall on a 17-inch rim.
- Overall height
- 30.6 in778 mm
- Section width
- 12.4 in315 mm
- Sidewall height
- 6.8 in173 mm
- Rim diameter
- 17 in432 mm
- Circumference
- 96.3 in2445 mm
- Revolutions per mile
- 658409 per km
- Inch size
- 30.6x12.4R17
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 17-inch sizes are within two width steps and 3% of a 315/55R17's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 295/60R17, 1.0% taller (0.30 in). Wider sizes also need room in the wheel well and a rim width that suits them.
Plus and minus sizes
Changing rim size means changing the sidewall to keep the same overall height. On 15-inch or 16-inch or 18-inch or 19-inch rims, these are the closest matches to a 315/55R17.
Other 17-inch sizes near 315/55R17
315 mm wide, other sidewalls
See the other sizes for this rim on 17-inch tire sizes, or other tires about this tall on 31-inch tires.
Shop 315/55R17 tires
These open each store's own list of 315/55R17 tires, where you can filter by type, load and speed rating.
315/55R17 questions
How tall is a 315/55R17 tire?
About 30.6 inches (778 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 315/55R17 mean?
315 is the section width in millimetres (12.4 in). 55 means the sidewall is 55% of that width: 173 mm, or 6.8 in. R means radial construction, and 17 is the rim diameter in inches.
What is 315/55R17 in inches?
In inch terms it is 30.6x12.4R17: 30.6 inches tall, 12.4 inches wide, for a 17-inch rim.
How many revolutions per mile does a 315/55R17 make?
About 658 turns per mile, worked out from its unloaded circumference of 96.3 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.