285/45R22 tire size in inches
A 285/45R22 tire measures
32.1" tall × 11.2" wide
5.05" sidewall on a 22" wheel. 628 revolutions per mile.
285/45R22 means a tire 285 mm wide, with sidewalls 45% as tall as the tire is wide (128 mm), radial construction (R), for a 22 inch wheel.
285/45R22 specs
| Overall diameter (height) | 32.10 inches (815 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 5.05 inches (128 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 100.8 inches (2,561 mm) |
| Revolutions per mile | 628 |
| Revolutions per kilometer | 390 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 32.1x11.2R22 |
| 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 285/45R22 on a 22" wheel
These 22" sizes are within 3% of 285/45R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/50R22 | 32.04" | 10.04" | −0.2% | 59.9 mph | Compare |
| 235/55R22 | 32.18" | 9.25" | +0.2% | 60.1 mph | Compare |
| 325/40R22 | 32.24" | 12.80" | +0.4% | 60.3 mph | Compare |
| 315/40R22 | 31.92" | 12.40" | −0.6% | 59.7 mph | Compare |
| 355/35R22 | 31.78" | 13.98" | −1.0% | 59.4 mph | Compare |
| 265/50R22 | 32.43" | 10.43" | +1.0% | 60.6 mph | Compare |
| 275/45R22 | 31.74" | 10.83" | −1.1% | 59.3 mph | Compare |
| 295/45R22 | 32.45" | 11.61" | +1.1% | 60.7 mph | Compare |
| 245/50R22 | 31.65" | 9.65" | −1.4% | 59.2 mph | Compare |
| 335/40R22 | 32.55" | 13.19" | +1.4% | 60.8 mph | Compare |
| 305/40R22 | 31.61" | 12.01" | −1.5% | 59.1 mph | Compare |
| 245/55R22 | 32.61" | 9.65" | +1.6% | 61.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 295/65R17 | 17" | 32.10" | 0.0% | Compare |
| 275/65R18 | 18" | 32.07" | −0.1% | Compare |
| 325/55R18 | 18" | 32.07" | −0.1% | Compare |
| 255/85R15 | 15" | 32.07" | −0.1% | Compare |
| 295/35R24 | 24" | 32.13" | +0.1% | Compare |
| 255/80R16 | 16" | 32.06" | −0.1% | Compare |
| 255/75R17 | 17" | 32.06" | −0.1% | Compare |
| 255/70R18 | 18" | 32.06" | −0.1% | Compare |
| 255/65R19 | 19" | 32.05" | −0.1% | Compare |
| 255/60R20 | 20" | 32.05" | −0.2% | Compare |
| 345/30R24 | 24" | 32.15" | +0.2% | Compare |
| 255/55R21 | 21" | 32.04" | −0.2% | Compare |
One size up or down
- 275/45R22narrower: 31.7" × 10.8"
- 295/45R22wider: 32.5" × 11.6"
- 285/40R22lower profile: 31.0" × 11.2"
- 285/50R22taller sidewall: 33.2" × 11.2"
Compare 285/45R22 with another size
Questions
- How tall is a 285/45R22 tire?
- A 285/45R22 tire is 32.1 inches tall (815 mm), calculated from the size. It is 11.2 inches wide with 5.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/45R22 mean?
- 285/45R22 means a tire 285 mm wide, with sidewalls 45% as tall as the tire is wide (128 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 285/45R22 tire make?
- About 628 revolutions per mile, based on a circumference of 100.8 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/45R22 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 255/50R22 instead of 285/45R22?
- 255/50R22 is −0.06 inches (−0.2%) 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.