34.3" tall, 11.2" wide, 6.2" sidewall
A 285/55R22 tire is 34.3 inches (872 mm) tall and 11.2 inches wide. The sidewall is 55% of the width, 6.2 inches, on a 22-inch wheel, and the tire turns about 587 times per mile.
In flotation terms that is about 34.3x11.2R22. People often call it a 34-inch tire.
The size most often compared with it is 285/50R22, which is 1.1" shorter (−3.3%). At an indicated 60 mph you would be doing 58.0 mph on it, more than the 3% change many shops use as a limit.
| 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 285/55R22 | |
|---|---|---|---|---|---|
| 265/60R22 | 34.5" | 10.4" | 6.3" | +0.5% | |
| 305/50R22 | 34.0" | 12.0" | 6.0" | −1.0% | |
| 295/55R22 | 34.8" | 11.6" | 6.4" | +1.3% | |
| 275/55R22 | 33.9" | 10.8" | 6.0" | −1.3% | |
| 275/60R22 | 35.0" | 10.8" | 6.5" | +1.9% | |
| 295/50R22 | 33.6" | 11.6" | 5.8" | −2.1% | |
| 305/55R22 | 35.2" | 12.0" | 6.6" | +2.5% | |
| 285/50R22 | 33.2" | 11.2" | 5.6" | −3.3% | compare |
| 285/60R22 | 35.5" | 11.2" | 6.7" | +3.3% | |
| 305/45R22 | 32.8" | 12.0" | 5.4" | −4.5% |
Sizes within 2% of 34.3" on 20" or 24" wheels.
| Size | Diameter | Width | Sidewall | vs 285/55R22 | |
|---|---|---|---|---|---|
| 305/60R20 | 34.4" | 12.0" | 7.2" | +0.2% | |
| 295/45R24 | 34.5" | 11.6" | 5.2" | +0.3% | |
| 285/65R20 | 34.6" | 11.2" | 7.3" | +0.7% | |
| 265/70R20 | 34.6" | 10.4" | 7.3" | +0.8% | |
| 275/65R20 | 34.1" | 10.8" | 7.0" | −0.8% | |
| 325/55R20 | 34.1" | 12.8" | 7.0" | −0.8% |
Actual speed when the speedometer is calibrated for 285/55R22.
| Speedometer shows | on 285/50R22 | on 35x12.50R22 | on 265/60R22 |
|---|---|---|---|
| 30 mph | 29.0 mph | 30.6 mph | 30.2 mph |
| 45 mph | 43.5 mph | 45.9 mph | 45.2 mph |
| 60 mph | 58.0 mph | 61.1 mph | 60.3 mph |
| 70 mph | 67.7 mph | 71.3 mph | 70.4 mph |
34.3 inches (872 mm). The sidewall is 6.2 inches.
11.2 inches (285 mm) section width, measured sidewall to sidewall.
About 34.3x11.2R22.
285/50R22 is −3.3% in diameter, more than the common 3% guideline, so expect a speedometer error and check clearance. It is 0.0" wider.