31.6" tall, 10.4" wide, 7.3" sidewall
A 265/70R17 tire is 31.6 inches (803 mm) tall and 10.4 inches wide. The sidewall is 70% of the width, 7.3 inches, on a 17-inch wheel, and the tire turns about 638 times per mile.
In flotation terms that is about 31.6x10.4R17. People often call it a 32-inch tire.
The size most often compared with it is 285/70R17, which is 1.1" taller (+3.5%). At an indicated 60 mph you would be doing 62.1 mph on it, more than the 3% change many shops use as a limit.
| 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 265/70R17 | |
|---|---|---|---|---|---|
| 285/65R17 | 31.6" | 11.2" | 7.3" | −0.1% | compare |
| 245/75R17 | 31.5" | 9.6" | 7.2" | −0.4% | compare |
| 255/75R17 | 32.1" | 10.0" | 7.5" | +1.4% | compare |
| 275/65R17 | 31.1" | 10.8" | 7.0" | −1.7% | |
| 255/70R17 | 31.1" | 10.0" | 7.0" | −1.7% | |
| 275/70R17 | 32.2" | 10.8" | 7.6" | +1.7% | compare |
| 245/80R17 | 32.4" | 9.6" | 7.7" | +2.6% | |
| 265/65R17 | 30.6" | 10.4" | 6.8" | −3.3% | compare |
| 265/75R17 | 32.6" | 10.4" | 7.8" | +3.3% | compare |
| 245/70R17 | 30.5" | 9.6" | 6.8" | −3.5% | compare |
Sizes within 2% of 31.6" on 18" or 16" wheels.
| Size | Diameter | Width | Sidewall | vs 265/70R17 | |
|---|---|---|---|---|---|
| 265/65R18 | 31.6" | 10.4" | 6.8" | −0.1% | |
| 265/75R16 | 31.6" | 10.4" | 7.8" | +0.1% | |
| 245/70R18 | 31.5" | 9.6" | 6.8" | −0.3% | |
| 285/70R16 | 31.7" | 11.2" | 7.9" | +0.3% | |
| 235/85R16 | 31.7" | 9.3" | 7.9" | +0.4% | |
| 285/60R18 | 31.5" | 11.2" | 6.7" | −0.4% |
Actual speed when the speedometer is calibrated for 265/70R17.
| Speedometer shows | on 285/70R17 | on 235/80R17 | on 255/80R17 |
|---|---|---|---|
| 30 mph | 31.0 mph | 30.2 mph | 31.4 mph |
| 45 mph | 46.6 mph | 45.3 mph | 47.1 mph |
| 60 mph | 62.1 mph | 60.4 mph | 62.8 mph |
| 70 mph | 72.4 mph | 70.4 mph | 73.2 mph |
31.6 inches (803 mm). The sidewall is 7.3 inches.
10.4 inches (265 mm) section width, measured sidewall to sidewall.
About 31.6x10.4R17.
285/70R17 is +3.5% in diameter, more than the common 3% guideline, so expect a speedometer error and check clearance. It is 0.8" wider.