35.1" tall, 11.2" wide, 9.5" sidewall
A 285/85R16 tire is 35.1 inches (891 mm) tall and 11.2 inches wide. The sidewall is 85% of the width, 9.5 inches, on a 16-inch wheel, and the tire turns about 575 times per mile.
In flotation terms that is about 35.1x11.2R16. People often call it a 35-inch tire.
The size most often compared with it is 275/85R16, which is 0.7" shorter (−1.9%). At an indicated 60 mph you would be doing 58.9 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 16" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 285/85R16 | |
|---|---|---|---|---|---|
| 275/85R16 | 34.4" | 10.8" | 9.2" | −1.9% | |
| 305/75R16 | 34.0" | 12.0" | 9.0" | −3.0% | |
| 285/80R16 | 34.0" | 11.2" | 9.0" | −3.2% | |
| 265/85R16 | 33.7" | 10.4" | 8.9" | −3.8% | |
| 295/75R16 | 33.4" | 11.6" | 8.7" | −4.7% | |
| 275/80R16 | 33.3" | 10.8" | 8.7" | −5.0% | |
| 285/75R16 | 32.8" | 11.2" | 8.4" | −6.4% | |
| 265/80R16 | 32.7" | 10.4" | 8.3" | −6.8% | |
| 275/75R16 | 32.2" | 10.8" | 8.1" | −8.1% | |
| 265/75R16 | 31.6" | 10.4" | 7.8" | −9.8% |
Sizes within 2% of 35.1" on 17" or 15" or 18" wheels.
| Size | Diameter | Width | Sidewall | vs 285/85R16 | |
|---|---|---|---|---|---|
| 305/75R17 | 35.0" | 12.0" | 9.0" | −0.2% | |
| 35x11.50R17 | 35.0" | 11.5" | 9.0" | −0.2% | |
| 35x12.50R15 | 35.0" | 12.5" | 10.0" | −0.2% | |
| 35x12.50R17 | 35.0" | 12.5" | 9.0" | −0.2% | |
| 35x12.50R18 | 35.0" | 12.5" | 8.5" | −0.2% | |
| 285/80R17 | 35.0" | 11.2" | 9.0" | −0.3% |
Actual speed when the speedometer is calibrated for 285/85R16.
| Speedometer shows | on 275/85R16 | on 305/75R16 | on 285/80R16 |
|---|---|---|---|
| 30 mph | 29.4 mph | 29.1 mph | 29.0 mph |
| 45 mph | 44.1 mph | 43.6 mph | 43.6 mph |
| 60 mph | 58.9 mph | 58.2 mph | 58.1 mph |
| 70 mph | 68.7 mph | 67.9 mph | 67.8 mph |
35.1 inches (891 mm). The sidewall is 9.5 inches.
11.2 inches (285 mm) section width, measured sidewall to sidewall.
About 35.1x11.2R16.
275/85R16 is −1.9% in diameter, within the common 3% guideline. It is 0.4" narrower.