235/65R17 tire size
A 235/65R17 tire stands 29.03 inches tall overall, on a 17-inch wheel, with a 152.8 mm sidewall and 235 mm of tread across. It turns roughly 695 times per mile.
- Overall diameter
- 29.03″
- 737.3 mm
- Sidewall height
- 152.8 mm
- 65% of 235 mm
- Circumference
- 91.2″
- 2,316 mm
- Revs per mile
- 695
- 432 per km
Reading the number
235 / 65 R 17 │ │ └─ rim diameter, 17 inches │ └──── aspect ratio, sidewall is 65% of width └──────── tread width, 235 mm sidewall = 235 × 0.65 = 152.75 mm diameter = (17 × 25.4) + (2 × 152.75) = 737.3 mm
Sizes that can replace 235/65R17
One rim step away, sorted by how close the rolling diameter stays.
Questions
›What does 235/65R17 mean?
235 is the tread width in millimetres. 65 is the aspect ratio, so the sidewall is 65% of 235 mm, or 152.8 mm. R means radial construction, and 17 is the wheel diameter in inches.
›How tall is a 235/65R17 tire?
29.03 inches, or 737.3 mm overall. That is the 17-inch rim plus a 152.8 mm sidewall at the top and another at the bottom.
›How many revolutions per mile does 235/65R17 do?
About 695 revolutions per mile, from a rolling circumference of 91.2 inches. Speedometers and odometers are calibrated against this figure, which is why changing size shifts both.
›What tires can replace 235/65R17?
Sizes within 3% of its rolling diameter and one rim step away, such as 255/55R18, 235/60R18, 225/65R17. Each is compared in full below.
Comparing against a size not listed? Open the calculator.