36.1" tall, 10.0" wide, 7.0" sidewall
A 255/70R22 tire is 36.1 inches (916 mm) tall and 10.0 inches wide. The sidewall is 70% of the width, 7.0 inches, on a 22-inch wheel, and the tire turns about 559 times per mile.
In flotation terms that is about 36.1x10.0R22. People often call it a 36-inch tire.
The size most often compared with it is 275/65R22, which is 0.0" taller (+0.1%). At an indicated 60 mph you would be doing 60.0 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 255/70R22 | |
|---|---|---|---|---|---|
| 275/65R22 | 36.1" | 10.8" | 7.0" | +0.1% | |
| 245/70R22 | 35.5" | 9.6" | 6.8" | −1.5% | |
| 275/60R22 | 35.0" | 10.8" | 6.5" | −2.9% | |
| 265/60R22 | 34.5" | 10.4" | 6.3" | −4.3% |
Sizes within 2% of 36.1" on 20" or 24" wheels.
| Size | Diameter | Width | Sidewall | vs 255/70R22 | |
|---|---|---|---|---|---|
| 315/65R20 | 36.1" | 12.4" | 8.1" | +0.2% | |
| 275/75R20 | 36.2" | 10.8" | 8.1" | +0.5% | |
| 295/70R20 | 36.3" | 11.6" | 8.1" | +0.6% | |
| 285/70R20 | 35.7" | 11.2" | 7.9" | −1.0% | |
| 315/50R24 | 36.4" | 12.4" | 6.2" | +1.0% | |
| 265/75R20 | 35.6" | 10.4" | 7.8" | −1.1% |
Actual speed when the speedometer is calibrated for 255/70R22.
| Speedometer shows | on 275/65R22 | on 245/70R22 | on 275/60R22 |
|---|---|---|---|
| 30 mph | 30.0 mph | 29.5 mph | 29.1 mph |
| 45 mph | 45.0 mph | 44.3 mph | 43.7 mph |
| 60 mph | 60.0 mph | 59.1 mph | 58.2 mph |
| 70 mph | 70.0 mph | 68.9 mph | 67.9 mph |
36.1 inches (916 mm). The sidewall is 7.0 inches.
10.0 inches (255 mm) section width, measured sidewall to sidewall.
About 36.1x10.0R22.
275/65R22 is +0.1% in diameter, within the common 3% guideline. It is 0.8" wider.