28.3" tall, 10.4" wide, 3.1" sidewall
A 265/30R22 tire is 28.3 inches (718 mm) tall and 10.4 inches wide. The sidewall is 30% of the width, 3.1 inches, on a 22-inch wheel, and the tire turns about 714 times per mile.
In flotation terms that is about 28.3x10.4R22. People often call it a 28-inch tire.
The size most often compared with it is 255/35R22, which is 0.8" taller (+2.7%). At an indicated 60 mph you would be doing 61.6 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 265/30R22 | |
|---|---|---|---|---|---|
| 255/35R22 | 29.0" | 10.0" | 3.5" | +2.7% | |
| 285/35R22 | 29.9" | 11.2" | 3.9" | +5.6% | |
| 285/40R22 | 31.0" | 11.2" | 4.5" | +9.6% |
Sizes within 2% of 28.3" on 20" wheels.
| Size | Diameter | Width | Sidewall | vs 265/30R22 | |
|---|---|---|---|---|---|
| 345/30R20 | 28.1" | 13.6" | 4.1" | −0.4% | |
| 295/35R20 | 28.1" | 11.6" | 4.1" | −0.5% | |
| 285/35R20 | 27.9" | 11.2" | 3.9" | −1.4% | |
| 315/35R20 | 28.7" | 12.4" | 4.3" | +1.5% |
Actual speed when the speedometer is calibrated for 265/30R22.
| Speedometer shows | on 255/35R22 | on 285/35R22 | on 285/40R22 |
|---|---|---|---|
| 30 mph | 30.8 mph | 31.7 mph | 32.9 mph |
| 45 mph | 46.2 mph | 47.5 mph | 49.3 mph |
| 60 mph | 61.6 mph | 63.4 mph | 65.8 mph |
| 70 mph | 71.9 mph | 73.9 mph | 76.7 mph |
28.3 inches (718 mm). The sidewall is 3.1 inches.
10.4 inches (265 mm) section width, measured sidewall to sidewall.
About 28.3x10.4R22.
255/35R22 is +2.7% in diameter, within the common 3% guideline. It is 0.4" narrower.