285/40R22 tire size in inches
A 285/40R22 tire measures
31.0" tall × 11.2" wide
4.49" sidewall on a 22" wheel. 651 revolutions per mile.
285/40R22 means a tire 285 mm wide, with sidewalls 40% as tall as the tire is wide (114 mm), radial construction (R), for a 22 inch wheel.
285/40R22 specs
| Overall diameter (height) | 30.98 inches (787 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 4.49 inches (114 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 97.3 inches (2,472 mm) |
| Revolutions per mile | 651 |
| Revolutions per kilometer | 405 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 31.0x11.2R22 |
| 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 285/40R22 on a 22" wheel
These 22" sizes are within 3% of 285/40R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 325/35R22 | 30.96" | 12.80" | −0.1% | 60.0 mph | Compare |
| 255/45R22 | 31.04" | 10.04" | +0.2% | 60.1 mph | Compare |
| 335/35R22 | 31.23" | 13.19" | +0.8% | 60.5 mph | Compare |
| 235/50R22 | 31.25" | 9.25" | +0.9% | 60.5 mph | Compare |
| 245/45R22 | 30.68" | 9.65" | −1.0% | 59.4 mph | Compare |
| 315/35R22 | 30.68" | 12.40" | −1.0% | 59.4 mph | Compare |
| 275/40R22 | 30.66" | 10.83" | −1.0% | 59.4 mph | Compare |
| 295/40R22 | 31.29" | 11.61" | +1.0% | 60.6 mph | Compare |
| 265/45R22 | 31.39" | 10.43" | +1.3% | 60.8 mph | Compare |
| 345/35R22 | 31.51" | 13.58" | +1.7% | 61.0 mph | Compare |
| 305/35R22 | 30.41" | 12.01" | −1.8% | 58.9 mph | Compare |
| 355/30R22 | 30.39" | 13.98" | −1.9% | 58.9 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 295/30R24 | 24" | 30.97" | 0.0% | Compare |
| 355/25R24 | 24" | 30.99" | 0.0% | Compare |
| 275/60R18 | 18" | 30.99" | +0.1% | Compare |
| 235/70R18 | 18" | 30.95" | −0.1% | Compare |
| 31x10.50R15 | 15" | 31.00" | +0.1% | Compare |
| 215/65R20 | 20" | 31.00" | +0.1% | Compare |
| 305/50R19 | 19" | 31.01" | +0.1% | Compare |
| 295/60R17 | 17" | 30.94" | −0.1% | Compare |
| 235/65R19 | 19" | 31.03" | +0.2% | Compare |
| 255/35R24 | 24" | 31.03" | +0.2% | Compare |
| 315/40R21 | 21" | 30.92" | −0.2% | Compare |
| 255/50R21 | 21" | 31.04" | +0.2% | Compare |
One size up or down
- 275/40R22narrower: 30.7" × 10.8"
- 295/40R22wider: 31.3" × 11.6"
- 285/35R22lower profile: 29.9" × 11.2"
- 285/45R22taller sidewall: 32.1" × 11.2"
Compare 285/40R22 with another size
Questions
- How tall is a 285/40R22 tire?
- A 285/40R22 tire is 31.0 inches tall (787 mm), calculated from the size. It is 11.2 inches wide with 4.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/40R22 mean?
- 285/40R22 means a tire 285 mm wide, with sidewalls 40% as tall as the tire is wide (114 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 285/40R22 tire make?
- About 651 revolutions per mile, based on a circumference of 97.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/40R22 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 325/35R22 instead of 285/40R22?
- 325/35R22 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.