35.4" tall, 11.6" wide, 8.7" sidewall
A 295/75R18 tire is 35.4 inches (900 mm) tall and 11.6 inches wide. The sidewall is 75% of the width, 8.7 inches, on a 18-inch wheel, and the tire turns about 569 times per mile.
In flotation terms that is about 35.4x11.6R18, closest to the common 35x12.50R18 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 315/70R18, which is 0.1" shorter (−0.2%). At an indicated 60 mph you would be doing 59.9 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
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Same 18" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 295/75R18 | |
|---|---|---|---|---|---|
| 315/70R18 | 35.4" | 12.4" | 8.7" | −0.2% | |
| 275/80R18 | 35.3" | 10.8" | 8.7" | −0.3% | |
| 285/80R18 | 36.0" | 11.2" | 9.0" | +1.5% | |
| 305/75R18 | 36.0" | 12.0" | 9.0" | +1.7% | |
| 285/75R18 | 34.8" | 11.2" | 8.4" | −1.7% | |
| 305/70R18 | 34.8" | 12.0" | 8.4" | −1.7% | |
| 275/85R18 | 36.4" | 10.8" | 9.2" | +2.8% | |
| 295/70R18 | 34.3" | 11.6" | 8.1" | −3.3% | |
| 275/75R18 | 34.2" | 10.8" | 8.1" | −3.3% | |
| 315/65R18 | 34.1" | 12.4" | 8.1" | −3.7% |
Sizes within 2% of 35.4" on 17" or 20" wheels.
| Size | Diameter | Width | Sidewall | vs 295/75R18 | |
|---|---|---|---|---|---|
| 275/85R17 | 35.4" | 10.8" | 9.2" | −0.0% | |
| 325/60R20 | 35.4" | 12.8" | 7.7" | −0.2% | |
| 295/80R17 | 35.6" | 11.6" | 9.3" | +0.5% | |
| 315/75R17 | 35.6" | 12.4" | 9.3" | +0.5% | |
| 305/65R20 | 35.6" | 12.0" | 7.8" | +0.5% | |
| 265/75R20 | 35.6" | 10.4" | 7.8" | +0.6% |
Actual speed when the speedometer is calibrated for 295/75R18.
| Speedometer shows | on 315/70R18 | on 275/80R18 | on 285/80R18 |
|---|---|---|---|
| 30 mph | 29.9 mph | 29.9 mph | 30.5 mph |
| 45 mph | 44.9 mph | 44.9 mph | 45.7 mph |
| 60 mph | 59.9 mph | 59.8 mph | 60.9 mph |
| 70 mph | 69.9 mph | 69.8 mph | 71.1 mph |
35.4 inches (900 mm). The sidewall is 8.7 inches.
11.6 inches (295 mm) section width, measured sidewall to sidewall.
About 35.4x11.6R18; the closest common flotation size is 35x12.50R18 at 35.0".
315/70R18 is −0.2% in diameter, within the common 3% guideline. It is 0.8" wider.