35.2" tall, 12.0" wide, 6.6" sidewall
A 305/55R22 tire is 35.2 inches (894 mm) tall and 12.0 inches wide. The sidewall is 55% of the width, 6.6 inches, on a 22-inch wheel, and the tire turns about 573 times per mile.
In flotation terms that is about 35.2x12.0R22, closest to the common 35x12.50R22 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 35x12.50R22, which is 0.2" shorter (−0.6%). At an indicated 60 mph you would be doing 59.6 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 305/55R22 | |
|---|---|---|---|---|---|
| 35x12.50R22 | 35.0" | 12.5" | 6.5" | −0.6% | |
| 285/60R22 | 35.5" | 11.2" | 6.7" | +0.7% | |
| 325/50R22 | 34.8" | 12.8" | 6.4" | −1.2% | |
| 295/55R22 | 34.8" | 11.6" | 6.4" | −1.2% | |
| 295/60R22 | 35.9" | 11.6" | 7.0" | +2.1% | |
| 315/50R22 | 34.4" | 12.4" | 6.2" | −2.3% | |
| 285/55R22 | 34.3" | 11.2" | 6.2" | −2.5% | |
| 325/55R22 | 36.1" | 12.8" | 7.0" | +2.5% | |
| 305/50R22 | 34.0" | 12.0" | 6.0" | −3.4% | |
| 295/50R22 | 33.6" | 11.6" | 5.8" | −4.5% |
Sizes within 2% of 35.2" on 24" or 20" wheels.
| Size | Diameter | Width | Sidewall | vs 305/55R22 | |
|---|---|---|---|---|---|
| 315/45R24 | 35.2" | 12.4" | 5.6" | −0.1% | |
| 275/70R20 | 35.2" | 10.8" | 7.6" | −0.1% | |
| 295/65R20 | 35.1" | 11.6" | 7.5" | −0.3% | |
| 325/60R20 | 35.4" | 12.8" | 7.7" | +0.4% | |
| 35x11.50R20 | 35.0" | 11.5" | 7.5" | −0.6% | |
| 35x12.50R20 | 35.0" | 12.5" | 7.5" | −0.6% |
Actual speed when the speedometer is calibrated for 305/55R22.
| Speedometer shows | on 35x12.50R22 | on 285/60R22 | on 325/50R22 |
|---|---|---|---|
| 30 mph | 29.8 mph | 30.2 mph | 29.6 mph |
| 45 mph | 44.7 mph | 45.3 mph | 44.5 mph |
| 60 mph | 59.6 mph | 60.4 mph | 59.3 mph |
| 70 mph | 69.6 mph | 70.5 mph | 69.2 mph |
35.2 inches (894 mm). The sidewall is 6.6 inches.
12.0 inches (305 mm) section width, measured sidewall to sidewall.
About 35.2x12.0R22; the closest common flotation size is 35x12.50R22 at 35.0".
35x12.50R22 is −0.6% in diameter, within the common 3% guideline. It is 0.5" wider.