35.2" tall, 12.4" wide, 5.6" sidewall
A 315/45R24 tire is 35.2 inches (893 mm) tall and 12.4 inches wide. The sidewall is 45% of the width, 5.6 inches, on a 24-inch wheel, and the tire turns about 574 times per mile.
In flotation terms that is about 35.2x12.4R24, closest to the common 35x12.50R24 (35.0"). People often call it a 35-inch tire.
The size most often compared with it is 35x12.50R24, which is 0.2" shorter (−0.5%). At an indicated 60 mph you would be doing 59.7 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
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Same 24" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 315/45R24 | |
|---|---|---|---|---|---|
| 35x12.50R24 | 35.0" | 12.5" | 5.5" | −0.5% | |
| 305/45R24 | 34.8" | 12.0" | 5.4" | −1.0% | |
| 325/45R24 | 35.5" | 12.8" | 5.8" | +1.0% | |
| 295/45R24 | 34.5" | 11.6" | 5.2" | −2.0% | |
| 315/50R24 | 36.4" | 12.4" | 6.2" | +3.5% | |
| 305/40R24 | 33.6" | 12.0" | 4.8" | −4.4% | |
| 295/40R24 | 33.3" | 11.6" | 4.6" | −5.3% | |
| 315/35R24 | 32.7" | 12.4" | 4.3" | −7.1% | |
| 305/35R24 | 32.4" | 12.0" | 4.2" | −7.8% |
Sizes within 2% of 35.2" on 22" wheels.
| Size | Diameter | Width | Sidewall | vs 315/45R24 | |
|---|---|---|---|---|---|
| 305/55R22 | 35.2" | 12.0" | 6.6" | +0.1% | |
| 35x12.50R22 | 35.0" | 12.5" | 6.5" | −0.5% | |
| 275/60R22 | 35.0" | 10.8" | 6.5" | −0.5% | |
| 285/60R22 | 35.5" | 11.2" | 6.7" | +0.9% | |
| 245/70R22 | 35.5" | 9.6" | 6.8" | +1.0% | |
| 325/50R22 | 34.8" | 12.8" | 6.4" | −1.0% |
Actual speed when the speedometer is calibrated for 315/45R24.
| Speedometer shows | on 35x12.50R24 | on 305/45R24 | on 325/45R24 |
|---|---|---|---|
| 30 mph | 29.9 mph | 29.7 mph | 30.3 mph |
| 45 mph | 44.8 mph | 44.5 mph | 45.5 mph |
| 60 mph | 59.7 mph | 59.4 mph | 60.6 mph |
| 70 mph | 69.7 mph | 69.3 mph | 70.7 mph |
35.2 inches (893 mm). The sidewall is 5.6 inches.
12.4 inches (315 mm) section width, measured sidewall to sidewall.
About 35.2x12.4R24; the closest common flotation size is 35x12.50R24 at 35.0".
35x12.50R24 is −0.5% in diameter, within the common 3% guideline. It is 0.1" wider.