315/30R22 tire size in inches
A 315/30R22 tire measures
29.4" tall × 12.4" wide
3.72" sidewall on a 22" wheel. 685 revolutions per mile.
315/30R22 means a tire 315 mm wide, with sidewalls 30% as tall as the tire is wide (95 mm), radial construction (R), for a 22 inch wheel.
315/30R22 specs
| Overall diameter (height) | 29.44 inches (748 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 3.72 inches (95 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 92.5 inches (2,349 mm) |
| Revolutions per mile | 685 |
| Revolutions per kilometer | 426 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 29.4x12.4R22 |
| 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 315/30R22 on a 22" wheel
These 22" sizes are within 3% of 315/30R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/40R22 | 29.40" | 9.25" | −0.1% | 59.9 mph | Compare |
| 265/35R22 | 29.30" | 10.43" | −0.5% | 59.7 mph | Compare |
| 275/35R22 | 29.58" | 10.83" | +0.5% | 60.3 mph | Compare |
| 305/30R22 | 29.20" | 12.01" | −0.8% | 59.5 mph | Compare |
| 325/30R22 | 29.68" | 12.80" | +0.8% | 60.5 mph | Compare |
| 245/40R22 | 29.72" | 9.65" | +0.9% | 60.6 mph | Compare |
| 255/35R22 | 29.03" | 10.04" | −1.4% | 59.2 mph | Compare |
| 285/35R22 | 29.85" | 11.22" | +1.4% | 60.8 mph | Compare |
| 355/25R22 | 28.99" | 13.98" | −1.5% | 59.1 mph | Compare |
| 295/30R22 | 28.97" | 11.61" | −1.6% | 59.0 mph | Compare |
| 335/30R22 | 29.91" | 13.19" | +1.6% | 61.0 mph | Compare |
| 255/40R22 | 30.03" | 10.04" | +2.0% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/80R14 | 14" | 29.43" | 0.0% | Compare |
| 265/50R19 | 19" | 29.43" | 0.0% | Compare |
| 295/45R19 | 19" | 29.45" | 0.0% | Compare |
| 285/60R16 | 16" | 29.46" | +0.1% | Compare |
| 245/75R15 | 15" | 29.47" | +0.1% | Compare |
| 275/25R24 | 24" | 29.41" | −0.1% | Compare |
| 265/55R18 | 18" | 29.48" | +0.1% | Compare |
| 305/35R21 | 21" | 29.41" | −0.1% | Compare |
| 225/70R17 | 17" | 29.40" | −0.1% | Compare |
| 315/50R17 | 17" | 29.40" | −0.1% | Compare |
| 245/85R13 | 13" | 29.40" | −0.1% | Compare |
| 215/85R15 | 15" | 29.39" | −0.2% | Compare |
One size up or down
- 305/30R22narrower: 29.2" × 12.0"
- 325/30R22wider: 29.7" × 12.8"
- 315/25R22lower profile: 28.2" × 12.4"
- 315/35R22taller sidewall: 30.7" × 12.4"
Compare 315/30R22 with another size
Questions
- How tall is a 315/30R22 tire?
- A 315/30R22 tire is 29.4 inches tall (748 mm), calculated from the size. It is 12.4 inches wide with 3.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/30R22 mean?
- 315/30R22 means a tire 315 mm wide, with sidewalls 30% as tall as the tire is wide (95 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 315/30R22 tire make?
- About 685 revolutions per mile, based on a circumference of 92.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/30R22 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 235/40R22 instead of 315/30R22?
- 235/40R22 is −0.04 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.