255/45R22 tire size
A 255/45R22 tire stands 31.0 inches tall and 10.0 inches wide, with a 4.5-inch sidewall on a 22-inch rim.
- Overall height
- 31.0 in788 mm
- Section width
- 10.0 in255 mm
- Sidewall height
- 4.5 in115 mm
- Rim diameter
- 22 in559 mm
- Circumference
- 97.5 in2477 mm
- Revolutions per mile
- 650404 per km
- Inch size
- 31.0x10.0R22
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 22-inch sizes are within two width steps and 3% of a 255/45R22's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 235/50R22, 0.7% taller (0.22 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 20-inch or 21-inch or 24-inch rims, these are the closest matches to a 255/45R22.
Other 22-inch sizes near 255/45R22
45 series, other widths
See the other sizes for this rim on 22-inch tire sizes, or other tires about this tall on 31-inch tires.
Shop 255/45R22 tires
These open each store's own list of 255/45R22 tires, where you can filter by type, load and speed rating.
255/45R22 questions
How tall is a 255/45R22 tire?
About 31.0 inches (788 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 255/45R22 mean?
255 is the section width in millimetres (10.0 in). 45 means the sidewall is 45% of that width: 115 mm, or 4.5 in. R means radial construction, and 22 is the rim diameter in inches.
Can I use 275/40R22 instead of 255/45R22?
275/40R22 is 1.2% shorter (0.37 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 59.3 mph. Make sure the extra width clears the suspension and fender liner at full lock.
What is 255/45R22 in inches?
In inch terms it is 31.0x10.0R22: 31.0 inches tall, 10.0 inches wide, for a 22-inch rim.
How many revolutions per mile does a 255/45R22 make?
About 650 turns per mile, worked out from its unloaded circumference of 97.5 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.