26.3" tall, 11.6" wide, 4.6" sidewall
A 295/40R17 tire is 26.3 inches (668 mm) tall and 11.6 inches wide. The sidewall is 40% of the width, 4.6 inches, on a 17-inch wheel, and the tire turns about 767 times per mile.
In flotation terms that is about 26.3x11.6R17. People often call it a 26-inch tire.
The size most often compared with it is 285/40R17, which is 0.3" shorter (−1.2%). At an indicated 60 mph you would be doing 59.3 mph on it.
| 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 295/40R17 | |
|---|---|---|---|---|---|
| 285/40R17 | 26.0" | 11.2" | 4.5" | −1.2% | |
| 305/40R17 | 26.6" | 12.0" | 4.8" | +1.2% | |
| 315/35R17 | 25.7" | 12.4" | 4.3" | −2.3% | |
| 275/40R17 | 25.7" | 10.8" | 4.3" | −2.4% | |
| 285/45R17 | 27.1" | 11.2" | 5.0" | +3.1% | |
| 275/50R17 | 27.8" | 10.8" | 5.4" | +5.8% | |
| 275/35R17 | 24.6" | 10.8" | 3.8" | −6.5% | |
| 315/50R17 | 29.4" | 12.4" | 6.2" | +11.8% |
Sizes within 2% of 26.3" on 15" or 18" or 19" wheels.
| Size | Diameter | Width | Sidewall | vs 295/40R17 | |
|---|---|---|---|---|---|
| 205/70R15 | 26.3" | 8.1" | 5.6" | +0.0% | |
| 265/40R18 | 26.3" | 10.4" | 4.2" | +0.2% | |
| 305/30R19 | 26.2" | 12.0" | 3.6" | −0.3% | |
| 305/35R18 | 26.4" | 12.0" | 4.2" | +0.4% | |
| 295/35R18 | 26.1" | 11.6" | 4.1" | −0.6% | |
| 235/60R15 | 26.1" | 9.3" | 5.6" | −0.7% |
Actual speed when the speedometer is calibrated for 295/40R17.
| Speedometer shows | on 285/40R17 | on 305/40R17 | on 315/35R17 |
|---|---|---|---|
| 30 mph | 29.6 mph | 30.4 mph | 29.3 mph |
| 45 mph | 44.5 mph | 45.5 mph | 44.0 mph |
| 60 mph | 59.3 mph | 60.7 mph | 58.6 mph |
| 70 mph | 69.2 mph | 70.8 mph | 68.4 mph |
26.3 inches (668 mm). The sidewall is 4.6 inches.
11.6 inches (295 mm) section width, measured sidewall to sidewall.
About 26.3x11.6R17.
285/40R17 is −1.2% in diameter, within the common 3% guideline. It is 0.4" narrower.