35.1" tall, 11.6" wide, 7.5" sidewall
A 295/65R20 tire is 35.1 inches (892 mm) tall and 11.6 inches wide. The sidewall is 65% of the width, 7.5 inches, on a 20-inch wheel, and the tire turns about 575 times per mile.
In flotation terms that is about 35.1x11.6R20, closest to the common 35x11.50R20 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 275/65R20, which is 1.0" shorter (−2.9%). At an indicated 60 mph you would be doing 58.3 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
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Same 20" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 295/65R20 | |
|---|---|---|---|---|---|
| 275/70R20 | 35.2" | 10.8" | 7.6" | +0.2% | |
| 35x11.50R20 | 35.0" | 11.5" | 7.5" | −0.3% | |
| 315/60R20 | 34.9" | 12.4" | 7.4" | −0.6% | |
| 305/65R20 | 35.6" | 12.0" | 7.8" | +1.5% | |
| 285/65R20 | 34.6" | 11.2" | 7.3" | −1.5% | compare |
| 285/70R20 | 35.7" | 11.2" | 7.9" | +1.7% | |
| 305/60R20 | 34.4" | 12.0" | 7.2" | −2.0% | |
| 275/65R20 | 34.1" | 10.8" | 7.0" | −2.9% | compare |
| 315/65R20 | 36.1" | 12.4" | 8.1" | +2.9% | |
| 275/75R20 | 36.2" | 10.8" | 8.1" | +3.3% |
Sizes within 2% of 35.1" on 18" or 22" wheels.
| Size | Diameter | Width | Sidewall | vs 295/65R20 | |
|---|---|---|---|---|---|
| 35x12.50R18 | 35.0" | 12.5" | 8.5" | −0.3% | |
| 35x12.50R22 | 35.0" | 12.5" | 6.5" | −0.3% | |
| 275/60R22 | 35.0" | 10.8" | 6.5" | −0.3% | |
| 305/55R22 | 35.2" | 12.0" | 6.6" | +0.3% | |
| 275/80R18 | 35.3" | 10.8" | 8.7" | +0.6% | |
| 315/70R18 | 35.4" | 12.4" | 8.7" | +0.8% |
Actual speed when the speedometer is calibrated for 295/65R20.
| Speedometer shows | on 275/65R20 | on 285/65R20 | on 35x12.50R20 |
|---|---|---|---|
| 30 mph | 29.1 mph | 29.6 mph | 29.9 mph |
| 45 mph | 43.7 mph | 44.3 mph | 44.9 mph |
| 60 mph | 58.3 mph | 59.1 mph | 59.8 mph |
| 70 mph | 68.0 mph | 69.0 mph | 69.8 mph |
35.1 inches (892 mm). The sidewall is 7.5 inches.
11.6 inches (295 mm) section width, measured sidewall to sidewall.
About 35.1x11.6R20; the closest common flotation size is 35x11.50R20 at 35.0".
275/65R20 is −2.9% in diameter, within the common 3% guideline. It is 0.8" narrower.