235/55R19 tire size
A 235/55R19 tire stands 29.18 inches tall overall, on a 19-inch wheel, with a 129.3 mm sidewall and 235 mm of tread across. It turns roughly 691 times per mile.
- Overall diameter
- 29.18″
- 741.1 mm
- Sidewall height
- 129.3 mm
- 55% of 235 mm
- Circumference
- 91.7″
- 2,328 mm
- Revs per mile
- 691
- 430 per km
Reading the number
235 / 55 R 19 │ │ └─ rim diameter, 19 inches │ └──── aspect ratio, sidewall is 55% of width └──────── tread width, 235 mm sidewall = 235 × 0.55 = 129.25 mm diameter = (19 × 25.4) + (2 × 129.25) = 741.1 mm
Sizes that can replace 235/55R19
One rim step away, sorted by how close the rolling diameter stays.
Questions
›What does 235/55R19 mean?
235 is the tread width in millimetres. 55 is the aspect ratio, so the sidewall is 55% of 235 mm, or 129.3 mm. R means radial construction, and 19 is the wheel diameter in inches.
›How tall is a 235/55R19 tire?
29.18 inches, or 741.1 mm overall. That is the 19-inch rim plus a 129.3 mm sidewall at the top and another at the bottom.
›How many revolutions per mile does 235/55R19 do?
About 691 revolutions per mile, from a rolling circumference of 91.7 inches. Speedometers and odometers are calibrated against this figure, which is why changing size shifts both.
›What tires can replace 235/55R19?
Sizes within 3% of its rolling diameter and one rim step away, such as 235/60R18, 255/55R18, 255/45R20. Each is compared in full below.
Comparing against a size not listed? Open the calculator.