325/30R24 tire size in inches
A 325/30R24 tire measures
31.7" tall × 12.8" wide
3.84" sidewall on a 24" wheel. 637 revolutions per mile.
325/30R24 means a tire 325 mm wide, with sidewalls 30% as tall as the tire is wide (98 mm), radial construction (R), for a 24 inch wheel.
325/30R24 specs
| Overall diameter (height) | 31.68 inches (805 mm) |
|---|---|
| Section width | 12.80 inches (325 mm) |
| Sidewall height | 3.84 inches (98 mm) |
| Wheel (rim) diameter | 24 inches |
| Circumference | 99.5 inches (2,528 mm) |
| Revolutions per mile | 637 |
| Revolutions per kilometer | 396 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 31.7x12.8R24 |
| 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 325/30R24 on a 24" wheel
These 24" sizes are within 3% of 325/30R24's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 275/35R24 | 31.58" | 10.83" | −0.3% | 59.8 mph | Compare |
| 285/35R24 | 31.85" | 11.22" | +0.6% | 60.3 mph | Compare |
| 335/30R24 | 31.91" | 13.19" | +0.7% | 60.4 mph | Compare |
| 315/30R24 | 31.44" | 12.40" | −0.7% | 59.6 mph | Compare |
| 255/40R24 | 32.03" | 10.04" | +1.1% | 60.7 mph | Compare |
| 265/35R24 | 31.30" | 10.43" | −1.2% | 59.3 mph | Compare |
| 295/35R24 | 32.13" | 11.61" | +1.4% | 60.9 mph | Compare |
| 345/30R24 | 32.15" | 13.58" | +1.5% | 60.9 mph | Compare |
| 305/30R24 | 31.20" | 12.01" | −1.5% | 59.1 mph | Compare |
| 255/35R24 | 31.03" | 10.04" | −2.1% | 58.8 mph | Compare |
| 265/40R24 | 32.35" | 10.43" | +2.1% | 61.3 mph | Compare |
| 355/25R24 | 30.99" | 13.98" | −2.2% | 58.7 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/80R15 | 15" | 31.69" | 0.0% | Compare |
| 265/75R16 | 16" | 31.65" | −0.1% | Compare |
| 245/50R22 | 22" | 31.65" | −0.1% | Compare |
| 285/70R16 | 16" | 31.71" | +0.1% | Compare |
| 315/55R18 | 18" | 31.64" | −0.1% | Compare |
| 235/85R16 | 16" | 31.73" | +0.2% | Compare |
| 265/85R14 | 14" | 31.74" | +0.2% | Compare |
| 295/50R20 | 20" | 31.61" | −0.2% | Compare |
| 275/45R22 | 22" | 31.74" | +0.2% | Compare |
| 245/55R21 | 21" | 31.61" | −0.2% | Compare |
| 265/70R17 | 17" | 31.61" | −0.2% | Compare |
| 305/40R22 | 22" | 31.61" | −0.2% | Compare |
One size up or down
- 315/30R24narrower: 31.4" × 12.4"
- 335/30R24wider: 31.9" × 13.2"
- 325/25R24lower profile: 30.4" × 12.8"
- 325/35R24taller sidewall: 33.0" × 12.8"
Compare 325/30R24 with another size
Questions
- How tall is a 325/30R24 tire?
- A 325/30R24 tire is 31.7 inches tall (805 mm), calculated from the size. It is 12.8 inches wide with 3.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 325/30R24 mean?
- 325/30R24 means a tire 325 mm wide, with sidewalls 30% as tall as the tire is wide (98 mm), radial construction (R), for a 24 inch wheel.
- How many revolutions per mile does a 325/30R24 tire make?
- About 637 revolutions per mile, based on a circumference of 99.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 325/30R24 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 275/35R24 instead of 325/30R24?
- 275/35R24 is −0.10 inches (−0.3%) in overall diameter, so at an indicated 60 mph you would be doing 59.8 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.