225/65R17 tire size
A 225/65R17 tire stands 28.52 inches tall overall, on a 17-inch wheel, with a 146.3 mm sidewall and 225 mm of tread across. It turns roughly 707 times per mile.
- Overall diameter
- 28.52″
- 724.3 mm
- Sidewall height
- 146.3 mm
- 65% of 225 mm
- Circumference
- 89.6″
- 2,275 mm
- Revs per mile
- 707
- 439 per km
Reading the number
225 / 65 R 17 │ │ └─ rim diameter, 17 inches │ └──── aspect ratio, sidewall is 65% of width └──────── tread width, 225 mm sidewall = 225 × 0.65 = 146.25 mm diameter = (17 × 25.4) + (2 × 146.25) = 724.3 mm
Sizes that can replace 225/65R17
One rim step away, sorted by how close the rolling diameter stays.
Questions
›What does 225/65R17 mean?
225 is the tread width in millimetres. 65 is the aspect ratio, so the sidewall is 65% of 225 mm, or 146.3 mm. R means radial construction, and 17 is the wheel diameter in inches.
›How tall is a 225/65R17 tire?
28.52 inches, or 724.3 mm overall. That is the 17-inch rim plus a 146.3 mm sidewall at the top and another at the bottom.
›How many revolutions per mile does 225/65R17 do?
About 707 revolutions per mile, from a rolling circumference of 89.6 inches. Speedometers and odometers are calibrated against this figure, which is why changing size shifts both.
›What tires can replace 225/65R17?
Sizes within 3% of its rolling diameter and one rim step away, such as 235/65R17, 255/55R18, 235/60R18. Each is compared in full below.
Comparing against a size not listed? Open the calculator.