315/25R24 tire size in inches
A 315/25R24 tire measures
30.2" tall × 12.4" wide
3.10" sidewall on a 24" wheel. 668 revolutions per mile.
315/25R24 means a tire 315 mm wide, with sidewalls 25% as tall as the tire is wide (79 mm), radial construction (R), for a 24 inch wheel.
315/25R24 specs
| Overall diameter (height) | 30.20 inches (767 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 3.10 inches (79 mm) |
| Wheel (rim) diameter | 24 inches |
| Circumference | 94.9 inches (2,410 mm) |
| Revolutions per mile | 668 |
| Revolutions per kilometer | 415 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 30.2x12.4R24 |
| Aspect ratio | 25% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 315/25R24 on a 24" wheel
These 24" sizes are within 3% of 315/25R24's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/30R24 | 30.26" | 10.43" | +0.2% | 60.1 mph | Compare |
| 255/30R24 | 30.02" | 10.04" | −0.6% | 59.6 mph | Compare |
| 305/25R24 | 30.00" | 12.01" | −0.7% | 59.6 mph | Compare |
| 325/25R24 | 30.40" | 12.80" | +0.7% | 60.4 mph | Compare |
| 275/30R24 | 30.50" | 10.83" | +1.0% | 60.6 mph | Compare |
| 295/25R24 | 29.81" | 11.61" | −1.3% | 59.2 mph | Compare |
| 335/25R24 | 30.59" | 13.19" | +1.3% | 60.8 mph | Compare |
| 285/30R24 | 30.73" | 11.22" | +1.8% | 61.1 mph | Compare |
| 285/25R24 | 29.61" | 11.22" | −2.0% | 58.8 mph | Compare |
| 345/25R24 | 30.79" | 13.58" | +2.0% | 61.2 mph | Compare |
| 295/30R24 | 30.97" | 11.61" | +2.5% | 61.5 mph | Compare |
| 355/25R24 | 30.99" | 13.98" | +2.6% | 61.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 305/55R17 | 17" | 30.21" | 0.0% | Compare |
| 285/50R19 | 19" | 30.22" | +0.1% | Compare |
| 355/40R19 | 19" | 30.18" | −0.1% | Compare |
| 235/55R20 | 20" | 30.18" | −0.1% | Compare |
| 225/80R16 | 16" | 30.17" | −0.1% | Compare |
| 335/35R21 | 21" | 30.23" | +0.1% | Compare |
| 325/40R20 | 20" | 30.24" | +0.1% | Compare |
| 315/45R19 | 19" | 30.16" | −0.1% | Compare |
| 215/60R20 | 20" | 30.16" | −0.1% | Compare |
| 275/70R15 | 15" | 30.16" | −0.1% | Compare |
| 235/50R21 | 21" | 30.25" | +0.2% | Compare |
| 345/30R22 | 22" | 30.15" | −0.2% | Compare |
One size up or down
- 305/25R24narrower: 30.0" × 12.0"
- 325/25R24wider: 30.4" × 12.8"
- 315/30R24taller sidewall: 31.4" × 12.4"
Compare 315/25R24 with another size
Questions
- How tall is a 315/25R24 tire?
- A 315/25R24 tire is 30.2 inches tall (767 mm), calculated from the size. It is 12.4 inches wide with 3.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/25R24 mean?
- 315/25R24 means a tire 315 mm wide, with sidewalls 25% as tall as the tire is wide (79 mm), radial construction (R), for a 24 inch wheel.
- How many revolutions per mile does a 315/25R24 tire make?
- About 668 revolutions per mile, based on a circumference of 94.9 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/25R24 tire?
- Roughly 10.5" to 12.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/30R24 instead of 315/25R24?
- 265/30R24 is +0.06 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.