29.0" tall, 10.0" wide, 3.5" sidewall
A 255/35R22 tire is 29.0 inches (737 mm) tall and 10.0 inches wide. The sidewall is 35% of the width, 3.5 inches, on a 22-inch wheel, and the tire turns about 695 times per mile.
In flotation terms that is about 29.0x10.0R22. People often call it a 29-inch tire.
The size most often compared with it is 265/30R22, which is 0.8" shorter (−2.6%). At an indicated 60 mph you would be doing 58.4 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 22" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 255/35R22 | |
|---|---|---|---|---|---|
| 265/30R22 | 28.3" | 10.4" | 3.1" | −2.6% | |
| 265/45R22 | 31.4" | 10.4" | 4.7" | +8.1% | |
| 275/45R22 | 31.7" | 10.8" | 4.9" | +9.4% |
Sizes within 2% of 29.0" on 20" wheels.
| Size | Diameter | Width | Sidewall | vs 255/35R22 | |
|---|---|---|---|---|---|
| 325/35R20 | 29.0" | 12.8" | 4.5" | −0.2% | |
| 295/40R20 | 29.3" | 11.6" | 4.6" | +0.9% | |
| 315/35R20 | 28.7" | 12.4" | 4.3" | −1.2% | |
| 305/40R20 | 29.6" | 12.0" | 4.8" | +2.0% |
Actual speed when the speedometer is calibrated for 255/35R22.
| Speedometer shows | on 265/30R22 | on 265/45R22 | on 275/45R22 |
|---|---|---|---|
| 30 mph | 29.2 mph | 32.4 mph | 32.8 mph |
| 45 mph | 43.8 mph | 48.7 mph | 49.2 mph |
| 60 mph | 58.4 mph | 64.9 mph | 65.6 mph |
| 70 mph | 68.1 mph | 75.7 mph | 76.6 mph |
29.0 inches (737 mm). The sidewall is 3.5 inches.
10.0 inches (255 mm) section width, measured sidewall to sidewall.
About 29.0x10.0R22.
265/30R22 is −2.6% in diameter, within the common 3% guideline. It is 0.4" wider.