32.7" tall, 10.4" wide, 8.3" sidewall
A 265/80R16 tire is 32.7 inches (830 mm) tall and 10.4 inches wide. The sidewall is 80% of the width, 8.3 inches, on a 16-inch wheel, and the tire turns about 617 times per mile.
In flotation terms that is about 32.7x10.4R16, closest to the common 33x12.50R16 (33.0"). People often call it a 33-inch tire.
The size most often compared with it is 285/75R16, which is 0.1" taller (+0.4%). At an indicated 60 mph you would be doing 60.3 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 265/80R16 | |
|---|---|---|---|---|---|
| 285/75R16 | 32.8" | 11.2" | 8.4" | +0.4% | |
| 245/85R16 | 32.4" | 9.6" | 8.2" | −0.9% | |
| 255/85R16 | 33.1" | 10.0" | 8.5" | +1.1% | |
| 275/75R16 | 32.2" | 10.8" | 8.1" | −1.4% | |
| 255/80R16 | 32.1" | 10.0" | 8.0" | −1.9% | |
| 275/80R16 | 33.3" | 10.8" | 8.7" | +1.9% | |
| 285/70R16 | 31.7" | 11.2" | 7.9" | −3.0% | |
| 265/75R16 | 31.6" | 10.4" | 7.8" | −3.2% | |
| 265/85R16 | 33.7" | 10.4" | 8.9" | +3.2% | |
| 285/80R16 | 34.0" | 11.2" | 9.0" | +3.9% |
Sizes within 2% of 32.7" on 17" or 15" or 18" wheels.
| Size | Diameter | Width | Sidewall | vs 265/80R16 | |
|---|---|---|---|---|---|
| 285/70R17 | 32.7" | 11.2" | 7.9" | +0.0% | |
| 235/85R17 | 32.7" | 9.3" | 7.9" | +0.1% | |
| 265/85R15 | 32.7" | 10.4" | 8.9" | +0.1% | |
| 265/75R17 | 32.6" | 10.4" | 7.8" | −0.1% | |
| 305/65R17 | 32.6" | 12.0" | 7.8" | −0.3% | |
| 265/70R18 | 32.6" | 10.4" | 7.3" | −0.3% |
Actual speed when the speedometer is calibrated for 265/80R16.
| Speedometer shows | on 285/75R16 | on 245/85R16 | on 255/85R16 |
|---|---|---|---|
| 30 mph | 30.1 mph | 29.7 mph | 30.3 mph |
| 45 mph | 45.2 mph | 44.6 mph | 45.5 mph |
| 60 mph | 60.3 mph | 59.5 mph | 60.7 mph |
| 70 mph | 70.3 mph | 69.4 mph | 70.8 mph |
32.7 inches (830 mm). The sidewall is 8.3 inches.
10.4 inches (265 mm) section width, measured sidewall to sidewall.
About 32.7x10.4R16; the closest common flotation size is 33x12.50R16 at 33.0".
285/75R16 is +0.4% in diameter, within the common 3% guideline. It is 0.8" wider.