28.6" tall, 9.6" wide, 5.8" sidewall
A 245/60R17 tire is 28.6 inches (726 mm) tall and 9.6 inches wide. The sidewall is 60% of the width, 5.8 inches, on a 17-inch wheel, and the tire turns about 706 times per mile.
In flotation terms that is about 28.6x9.6R17. People often call it a 29-inch tire.
The size most often compared with it is 225/70R17, which is 0.8" taller (+2.9%). At an indicated 60 mph you would be doing 61.7 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 245/60R17 | |
|---|---|---|---|---|---|
| 225/70R17 | 29.4" | 8.9" | 6.2" | +2.9% | |
| 265/60R17 | 29.5" | 10.4" | 6.3" | +3.3% | |
| 245/55R17 | 27.6" | 9.6" | 5.3" | −3.4% | |
| 265/50R17 | 27.4" | 10.4" | 5.2" | −4.0% | |
| 235/70R17 | 30.0" | 9.3" | 6.5" | +4.8% | |
| 255/65R17 | 30.1" | 10.0" | 6.5" | +5.2% | |
| 245/70R17 | 30.5" | 9.6" | 6.8" | +6.8% | |
| 265/65R17 | 30.6" | 10.4" | 6.8" | +7.0% | |
| 255/70R17 | 31.1" | 10.0" | 7.0" | +8.7% | |
| 265/70R17 | 31.6" | 10.4" | 7.3" | +10.6% |
Sizes within 2% of 28.6" on 15" or 16" or 18" wheels.
| Size | Diameter | Width | Sidewall | vs 245/60R17 | |
|---|---|---|---|---|---|
| 265/65R15 | 28.6" | 10.4" | 6.8" | −0.0% | |
| 215/80R15 | 28.5" | 8.5" | 6.8" | −0.1% | |
| 245/65R16 | 28.5" | 9.6" | 6.3" | −0.1% | |
| 245/70R15 | 28.5" | 9.6" | 6.8" | −0.2% | |
| 285/60R15 | 28.5" | 11.2" | 6.7" | −0.4% | |
| 295/45R18 | 28.5" | 11.6" | 5.2" | −0.4% |
Actual speed when the speedometer is calibrated for 245/60R17.
| Speedometer shows | on 225/70R17 | on 265/60R17 | on 245/55R17 |
|---|---|---|---|
| 30 mph | 30.9 mph | 31.0 mph | 29.0 mph |
| 45 mph | 46.3 mph | 46.5 mph | 43.5 mph |
| 60 mph | 61.7 mph | 62.0 mph | 58.0 mph |
| 70 mph | 72.0 mph | 72.3 mph | 67.6 mph |
28.6 inches (726 mm). The sidewall is 5.8 inches.
9.6 inches (245 mm) section width, measured sidewall to sidewall.
About 28.6x9.6R17.
225/70R17 is +2.9% in diameter, within the common 3% guideline. It is 0.8" narrower.