285/30R24 tire size in inches
A 285/30R24 tire measures
30.7" tall × 11.2" wide
3.37" sidewall on a 24" wheel. 656 revolutions per mile.
285/30R24 means a tire 285 mm wide, with sidewalls 30% as tall as the tire is wide (86 mm), radial construction (R), for a 24 inch wheel.
285/30R24 specs
| Overall diameter (height) | 30.73 inches (781 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 3.37 inches (86 mm) |
| Wheel (rim) diameter | 24 inches |
| Circumference | 96.5 inches (2,452 mm) |
| Revolutions per mile | 656 |
| Revolutions per kilometer | 408 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 30.7x11.2R24 |
| Aspect ratio | 30% |
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 285/30R24 on a 24" wheel
These 24" sizes are within 3% of 285/30R24's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 345/25R24 | 30.79" | 13.58" | +0.2% | 60.1 mph | Compare |
| 335/25R24 | 30.59" | 13.19" | −0.4% | 59.7 mph | Compare |
| 275/30R24 | 30.50" | 10.83" | −0.8% | 59.5 mph | Compare |
| 295/30R24 | 30.97" | 11.61" | +0.8% | 60.5 mph | Compare |
| 355/25R24 | 30.99" | 13.98" | +0.8% | 60.5 mph | Compare |
| 255/35R24 | 31.03" | 10.04" | +1.0% | 60.6 mph | Compare |
| 325/25R24 | 30.40" | 12.80" | −1.1% | 59.3 mph | Compare |
| 265/30R24 | 30.26" | 10.43" | −1.5% | 59.1 mph | Compare |
| 305/30R24 | 31.20" | 12.01" | +1.5% | 60.9 mph | Compare |
| 315/25R24 | 30.20" | 12.40" | −1.7% | 59.0 mph | Compare |
| 265/35R24 | 31.30" | 10.43" | +1.9% | 61.1 mph | Compare |
| 255/30R24 | 30.02" | 10.04" | −2.3% | 58.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 235/85R15 | 15" | 30.73" | 0.0% | Compare |
| 225/55R21 | 21" | 30.74" | 0.0% | Compare |
| 275/45R21 | 21" | 30.74" | 0.0% | Compare |
| 285/70R15 | 15" | 30.71" | −0.1% | Compare |
| 215/75R18 | 18" | 30.70" | −0.1% | Compare |
| 265/80R14 | 14" | 30.69" | −0.1% | Compare |
| 295/55R18 | 18" | 30.78" | +0.1% | Compare |
| 245/45R22 | 22" | 30.68" | −0.2% | Compare |
| 315/35R22 | 22" | 30.68" | −0.2% | Compare |
| 355/35R21 | 21" | 30.78" | +0.2% | Compare |
| 325/50R18 | 18" | 30.80" | +0.2% | Compare |
| 235/80R16 | 16" | 30.80" | +0.2% | Compare |
One size up or down
- 275/30R24narrower: 30.5" × 10.8"
- 295/30R24wider: 31.0" × 11.6"
- 285/25R24lower profile: 29.6" × 11.2"
- 285/35R24taller sidewall: 31.9" × 11.2"
Compare 285/30R24 with another size
Questions
- How tall is a 285/30R24 tire?
- A 285/30R24 tire is 30.7 inches tall (781 mm), calculated from the size. It is 11.2 inches wide with 3.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/30R24 mean?
- 285/30R24 means a tire 285 mm wide, with sidewalls 30% as tall as the tire is wide (86 mm), radial construction (R), for a 24 inch wheel.
- How many revolutions per mile does a 285/30R24 tire make?
- About 656 revolutions per mile, based on a circumference of 96.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/30R24 tire?
- Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 345/25R24 instead of 285/30R24?
- 345/25R24 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.