325/40R24 tire size in inches
A 325/40R24 tire measures
34.2" tall × 12.8" wide
5.12" sidewall on a 24" wheel. 589 revolutions per mile.
325/40R24 means a tire 325 mm wide, with sidewalls 40% as tall as the tire is wide (130 mm), radial construction (R), for a 24 inch wheel.
325/40R24 specs
| Overall diameter (height) | 34.24 inches (870 mm) |
|---|---|
| Section width | 12.80 inches (325 mm) |
| Sidewall height | 5.12 inches (130 mm) |
| Wheel (rim) diameter | 24 inches |
| Circumference | 107.6 inches (2,732 mm) |
| Revolutions per mile | 589 |
| Revolutions per kilometer | 366 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 34.2x12.8R24 |
| Aspect ratio | 40% |
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 325/40R24 on a 24" wheel
These 24" sizes are within 3% of 325/40R24's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 315/40R24 | 33.92" | 12.40" | −0.9% | 59.4 mph | Compare |
| 335/40R24 | 34.55" | 13.19" | +0.9% | 60.6 mph | Compare |
| 355/35R24 | 33.78" | 13.98" | −1.3% | 59.2 mph | Compare |
| 305/40R24 | 33.61" | 12.01" | −1.8% | 58.9 mph | Compare |
| 345/40R24 | 34.87" | 13.58" | +1.8% | 61.1 mph | Compare |
| 345/35R24 | 33.51" | 13.58" | −2.1% | 58.7 mph | Compare |
| 35x12.50R24 | 35.00" | 12.50" | +2.2% | 61.3 mph | Compare |
| 295/40R24 | 33.29" | 11.61" | −2.8% | 58.3 mph | Compare |
| 355/40R24 | 35.18" | 13.98" | +2.8% | 61.7 mph | Compare |
| 335/35R24 | 33.23" | 13.19" | −2.9% | 58.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 275/75R18 | 18" | 34.24" | 0.0% | Compare |
| 345/45R22 | 22" | 34.22" | 0.0% | Compare |
| 295/70R18 | 18" | 34.26" | +0.1% | Compare |
| 305/55R21 | 21" | 34.21" | −0.1% | Compare |
| 335/50R21 | 21" | 34.19" | −0.1% | Compare |
| 285/55R22 | 22" | 34.34" | +0.3% | Compare |
| 315/65R18 | 18" | 34.12" | −0.3% | Compare |
| 325/60R19 | 19" | 34.35" | +0.3% | Compare |
| 315/70R17 | 17" | 34.36" | +0.4% | Compare |
| 355/55R19 | 19" | 34.37" | +0.4% | Compare |
| 295/65R19 | 19" | 34.10" | −0.4% | Compare |
| 275/65R20 | 20" | 34.07" | −0.5% | Compare |
One size up or down
Compare 325/40R24 with another size
Questions
- How tall is a 325/40R24 tire?
- A 325/40R24 tire is 34.2 inches tall (870 mm), calculated from the size. It is 12.8 inches wide with 5.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 325/40R24 mean?
- 325/40R24 means a tire 325 mm wide, with sidewalls 40% as tall as the tire is wide (130 mm), radial construction (R), for a 24 inch wheel.
- How many revolutions per mile does a 325/40R24 tire make?
- About 589 revolutions per mile, based on a circumference of 107.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 325/40R24 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 315/40R24 instead of 325/40R24?
- 315/40R24 is −0.31 inches (−0.9%) in overall diameter, so at an indicated 60 mph you would be doing 59.4 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.