315/45R22 tire size in inches
A 315/45R22 tire measures
33.2" tall × 12.4" wide
5.58" sidewall on a 22" wheel. 608 revolutions per mile.
315/45R22 means a tire 315 mm wide, with sidewalls 45% as tall as the tire is wide (142 mm), radial construction (R), for a 22 inch wheel.
315/45R22 specs
| Overall diameter (height) | 33.16 inches (842 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 5.58 inches (142 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 104.2 inches (2,646 mm) |
| Revolutions per mile | 608 |
| Revolutions per kilometer | 378 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 33.2x12.4R22 |
| Aspect ratio | 45% |
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 315/45R22 on a 22" wheel
These 22" sizes are within 3% of 315/45R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 355/40R22 | 33.18" | 13.98" | +0.1% | 60.0 mph | Compare |
| 285/50R22 | 33.22" | 11.22" | +0.2% | 60.1 mph | Compare |
| 255/55R22 | 33.04" | 10.04" | −0.4% | 59.8 mph | Compare |
| 33x12.50R22 | 33.00" | 12.50" | −0.5% | 59.7 mph | Compare |
| 345/40R22 | 32.87" | 13.58" | −0.9% | 59.5 mph | Compare |
| 265/55R22 | 33.48" | 10.43" | +0.9% | 60.6 mph | Compare |
| 275/50R22 | 32.83" | 10.83" | −1.0% | 59.4 mph | Compare |
| 305/45R22 | 32.81" | 12.01" | −1.1% | 59.4 mph | Compare |
| 325/45R22 | 33.52" | 12.80" | +1.1% | 60.6 mph | Compare |
| 295/50R22 | 33.61" | 11.61" | +1.4% | 60.8 mph | Compare |
| 245/55R22 | 32.61" | 9.65" | −1.7% | 59.0 mph | Compare |
| 335/40R22 | 32.55" | 13.19" | −1.8% | 58.9 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 275/70R18 | 18" | 33.16" | 0.0% | Compare |
| 335/50R20 | 20" | 33.19" | +0.1% | Compare |
| 315/65R17 | 17" | 33.12" | −0.1% | Compare |
| 305/55R20 | 20" | 33.21" | +0.1% | Compare |
| 295/65R18 | 18" | 33.10" | −0.2% | Compare |
| 345/45R21 | 21" | 33.22" | +0.2% | Compare |
| 335/35R24 | 24" | 33.23" | +0.2% | Compare |
| 275/75R17 | 17" | 33.24" | +0.2% | Compare |
| 275/65R19 | 19" | 33.07" | −0.3% | Compare |
| 325/55R19 | 19" | 33.07" | −0.3% | Compare |
| 255/85R16 | 16" | 33.07" | −0.3% | Compare |
| 295/70R17 | 17" | 33.26" | +0.3% | Compare |
One size up or down
- 305/45R22narrower: 32.8" × 12.0"
- 325/45R22wider: 33.5" × 12.8"
- 315/40R22lower profile: 31.9" × 12.4"
- 315/50R22taller sidewall: 34.4" × 12.4"
Compare 315/45R22 with another size
Questions
- How tall is a 315/45R22 tire?
- A 315/45R22 tire is 33.2 inches tall (842 mm), calculated from the size. It is 12.4 inches wide with 5.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/45R22 mean?
- 315/45R22 means a tire 315 mm wide, with sidewalls 45% as tall as the tire is wide (142 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 315/45R22 tire make?
- About 608 revolutions per mile, based on a circumference of 104.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/45R22 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 355/40R22 instead of 315/45R22?
- 355/40R22 is +0.02 inches (+0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.