265/60R18 tire size
A 265/60R18 tire stands 30.52 inches tall overall, on a 18-inch wheel, with a 159 mm sidewall and 265 mm of tread across. It turns roughly 661 times per mile.
- Overall diameter
- 30.52″
- 775.2 mm
- Sidewall height
- 159.0 mm
- 60% of 265 mm
- Circumference
- 95.9″
- 2,435 mm
- Revs per mile
- 661
- 411 per km
Reading the number
265 / 60 R 18 │ │ └─ rim diameter, 18 inches │ └──── aspect ratio, sidewall is 60% of width └──────── tread width, 265 mm sidewall = 265 × 0.60 = 159 mm diameter = (18 × 25.4) + (2 × 159) = 775.2 mm
Sizes that can replace 265/60R18
One rim step away, sorted by how close the rolling diameter stays.
Questions
›What does 265/60R18 mean?
265 is the tread width in millimetres. 60 is the aspect ratio, so the sidewall is 60% of 265 mm, or 159 mm. R means radial construction, and 18 is the wheel diameter in inches.
›How tall is a 265/60R18 tire?
30.52 inches, or 775.2 mm overall. That is the 18-inch rim plus a 159 mm sidewall at the top and another at the bottom.
›How many revolutions per mile does 265/60R18 do?
About 661 revolutions per mile, from a rolling circumference of 95.9 inches. Speedometers and odometers are calibrated against this figure, which is why changing size shifts both.
›What tires can replace 265/60R18?
Sizes within 3% of its rolling diameter and one rim step away, such as 265/65R17, 245/60R18, 265/70R17. Each is compared in full below.
Comparing against a size not listed? Open the calculator.