35.0" tall, 11.2" wide, 9.0" sidewall
A 285/80R17 tire is 35.0 inches (888 mm) tall and 11.2 inches wide. The sidewall is 80% of the width, 9.0 inches, on a 17-inch wheel, and the tire turns about 577 times per mile.
In flotation terms that is about 35.0x11.2R17, closest to the common 35x11.50R17 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 35x11.50R17, which is 0.0" taller (+0.1%). At an indicated 60 mph you would be doing 60.1 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 17" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 285/80R17 | |
|---|---|---|---|---|---|
| 35x11.50R17 | 35.0" | 11.5" | 9.0" | +0.1% | |
| 305/75R17 | 35.0" | 12.0" | 9.0" | +0.2% | |
| 265/85R17 | 34.7" | 10.4" | 8.9" | −0.6% | |
| 275/85R17 | 35.4" | 10.8" | 9.2" | +1.3% | |
| 295/75R17 | 34.4" | 11.6" | 8.7" | −1.5% | |
| 295/80R17 | 35.6" | 11.6" | 9.3" | +1.8% | |
| 275/80R17 | 34.3" | 10.8" | 8.7" | −1.8% | |
| 285/85R17 | 36.1" | 11.2" | 9.5" | +3.2% | |
| 285/75R17 | 33.8" | 11.2" | 8.4" | −3.2% | |
| 305/70R17 | 33.8" | 12.0" | 8.4" | −3.3% |
Sizes within 2% of 35.0" on 15" or 18" or 16" wheels.
| Size | Diameter | Width | Sidewall | vs 285/80R17 | |
|---|---|---|---|---|---|
| 35x12.50R15 | 35.0" | 12.5" | 10.0" | +0.1% | |
| 35x12.50R18 | 35.0" | 12.5" | 8.5" | +0.1% | |
| 285/75R18 | 34.8" | 11.2" | 8.4" | −0.3% | |
| 285/85R16 | 35.1" | 11.2" | 9.5" | +0.3% | |
| 305/70R18 | 34.8" | 12.0" | 8.4" | −0.4% | |
| 325/75R16 | 35.2" | 12.8" | 9.6" | +0.7% |
Actual speed when the speedometer is calibrated for 285/80R17.
| Speedometer shows | on 35x11.50R17 | on 305/75R17 | on 265/85R17 |
|---|---|---|---|
| 30 mph | 30.0 mph | 30.1 mph | 29.8 mph |
| 45 mph | 45.1 mph | 45.1 mph | 44.7 mph |
| 60 mph | 60.1 mph | 60.1 mph | 59.6 mph |
| 70 mph | 70.1 mph | 70.1 mph | 69.6 mph |
35.0 inches (888 mm). The sidewall is 9.0 inches.
11.2 inches (285 mm) section width, measured sidewall to sidewall.
About 35.0x11.2R17; the closest common flotation size is 35x11.50R17 at 35.0".
35x11.50R17 is +0.1% in diameter, within the common 3% guideline. It is 0.3" wider.