35.5" tall, 9.6" wide, 6.8" sidewall
A 245/70R22 tire is 35.5 inches (902 mm) tall and 9.6 inches wide. The sidewall is 70% of the width, 6.8 inches, on a 22-inch wheel, and the tire turns about 568 times per mile.
In flotation terms that is about 35.5x9.6R22, closest to the common 35x12.50R22 (35.0"). People often call it a 36-inch tire.
The size most often compared with it is 255/70R22, which is 0.6" taller (+1.6%). At an indicated 60 mph you would be doing 60.9 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 245/70R22 | |
|---|---|---|---|---|---|
| 255/70R22 | 36.1" | 10.0" | 7.0" | +1.6% | |
| 265/60R22 | 34.5" | 10.4" | 6.3" | −2.8% | |
| 225/70R22 | 34.4" | 8.9" | 6.2" | −3.1% |
Sizes within 2% of 35.5" on 24" or 20" wheels.
| Size | Diameter | Width | Sidewall | vs 245/70R22 | |
|---|---|---|---|---|---|
| 325/45R24 | 35.5" | 12.8" | 5.8" | +0.0% | |
| 305/65R20 | 35.6" | 12.0" | 7.8" | +0.3% | |
| 265/75R20 | 35.6" | 10.4" | 7.8" | +0.4% | |
| 325/60R20 | 35.4" | 12.8" | 7.7" | −0.4% | |
| 285/70R20 | 35.7" | 11.2" | 7.9" | +0.6% | |
| 315/45R24 | 35.2" | 12.4" | 5.6" | −1.0% |
Actual speed when the speedometer is calibrated for 245/70R22.
| Speedometer shows | on 255/70R22 | on 265/60R22 | on 225/70R22 |
|---|---|---|---|
| 30 mph | 30.5 mph | 29.2 mph | 29.1 mph |
| 45 mph | 45.7 mph | 43.8 mph | 43.6 mph |
| 60 mph | 60.9 mph | 58.3 mph | 58.1 mph |
| 70 mph | 71.1 mph | 68.1 mph | 67.8 mph |
35.5 inches (902 mm). The sidewall is 6.8 inches.
9.6 inches (245 mm) section width, measured sidewall to sidewall.
About 35.5x9.6R22; the closest common flotation size is 35x12.50R22 at 35.0".
255/70R22 is +1.6% in diameter, within the common 3% guideline. It is 0.4" wider.