31.6" tall, 10.4" wide, 7.8" sidewall
A 265/75R16 tire is 31.6 inches (804 mm) tall and 10.4 inches wide. The sidewall is 75% of the width, 7.8 inches, on a 16-inch wheel, and the tire turns about 637 times per mile.
In flotation terms that is about 31.6x10.4R16. People often call it a 32-inch tire.
The size most often compared with it is 255/85R16, which is 1.4" taller (+4.5%). At an indicated 60 mph you would be doing 62.7 mph on it, more than the 3% change many shops use as a limit.
| 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 265/75R16 | |
|---|---|---|---|---|---|
| 285/70R16 | 31.7" | 11.2" | 7.9" | +0.2% | compare |
| 245/80R16 | 31.4" | 9.6" | 7.7" | −0.7% | |
| 255/80R16 | 32.1" | 10.0" | 8.0" | +1.3% | |
| 275/70R16 | 31.2" | 10.8" | 7.6" | −1.6% | compare |
| 255/75R16 | 31.1" | 10.0" | 7.5" | −1.9% | |
| 275/75R16 | 32.2" | 10.8" | 8.1" | +1.9% | compare |
| 245/85R16 | 32.4" | 9.6" | 8.2" | +2.4% | |
| 265/70R16 | 30.6" | 10.4" | 7.3" | −3.3% | compare |
| 265/80R16 | 32.7" | 10.4" | 8.3" | +3.3% | |
| 285/65R16 | 30.6" | 11.2" | 7.3" | −3.4% |
Sizes within 2% of 31.6" on 17" or 18" or 15" wheels.
| Size | Diameter | Width | Sidewall | vs 265/75R16 | |
|---|---|---|---|---|---|
| 265/70R17 | 31.6" | 10.4" | 7.3" | −0.1% | |
| 285/65R17 | 31.6" | 11.2" | 7.3" | −0.2% | |
| 265/65R18 | 31.6" | 10.4" | 6.8" | −0.3% | |
| 245/70R18 | 31.5" | 9.6" | 6.8" | −0.5% | |
| 235/80R17 | 31.8" | 9.3" | 7.4" | +0.5% | |
| 305/70R15 | 31.8" | 12.0" | 8.4" | +0.5% |
Actual speed when the speedometer is calibrated for 265/75R16.
| Speedometer shows | on 255/85R16 | on 265/70R16 | on 285/75R16 |
|---|---|---|---|
| 30 mph | 31.3 mph | 29.0 mph | 31.1 mph |
| 45 mph | 47.0 mph | 43.5 mph | 46.7 mph |
| 60 mph | 62.7 mph | 58.0 mph | 62.2 mph |
| 70 mph | 73.1 mph | 67.7 mph | 72.6 mph |
31.6 inches (804 mm). The sidewall is 7.8 inches.
10.4 inches (265 mm) section width, measured sidewall to sidewall.
About 31.6x10.4R16.
255/85R16 is +4.5% in diameter, more than the common 3% guideline, so expect a speedometer error and check clearance. It is 0.4" narrower.