305/55R22 tire size in inches
A 305/55R22 tire measures
35.2" tall × 12.0" wide
6.60" sidewall on a 22" wheel. 573 revolutions per mile.
305/55R22 means a tire 305 mm wide, with sidewalls 55% as tall as the tire is wide (168 mm), radial construction (R), for a 22 inch wheel.
305/55R22 specs
| Overall diameter (height) | 35.21 inches (894 mm) |
|---|---|
| Section width | 12.01 inches (305 mm) |
| Sidewall height | 6.60 inches (168 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 110.6 inches (2,810 mm) |
| Revolutions per mile | 573 |
| Revolutions per kilometer | 356 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 35.2x12.0R22 |
| Aspect ratio | 55% |
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 305/55R22 on a 22" wheel
These 22" sizes are within 3% of 305/55R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 335/50R22 | 35.19" | 13.19" | −0.1% | 60.0 mph | Compare |
| 35x12.50R22 | 35.00" | 12.50" | −0.6% | 59.6 mph | Compare |
| 345/50R22 | 35.58" | 13.58" | +1.1% | 60.6 mph | Compare |
| 325/50R22 | 34.80" | 12.80" | −1.2% | 59.3 mph | Compare |
| 295/55R22 | 34.78" | 11.61" | −1.2% | 59.3 mph | Compare |
| 315/55R22 | 35.64" | 12.40" | +1.2% | 60.7 mph | Compare |
| 355/45R22 | 34.58" | 13.98" | −1.8% | 58.9 mph | Compare |
| 355/50R22 | 35.98" | 13.98" | +2.2% | 61.3 mph | Compare |
| 315/50R22 | 34.40" | 12.40" | −2.3% | 58.6 mph | Compare |
| 285/55R22 | 34.34" | 11.22" | −2.5% | 58.5 mph | Compare |
| 345/45R22 | 34.22" | 13.58" | −2.8% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 355/40R24 | 24" | 35.18" | −0.1% | Compare |
| 335/65R18 | 18" | 35.15" | −0.2% | Compare |
| 315/65R19 | 19" | 35.12" | −0.2% | Compare |
| 345/60R19 | 19" | 35.30" | +0.3% | Compare |
| 295/65R20 | 20" | 35.10" | −0.3% | Compare |
| 285/85R16 | 16" | 35.07" | −0.4% | Compare |
| 325/55R21 | 21" | 35.07" | −0.4% | Compare |
| 325/60R20 | 20" | 35.35" | +0.4% | Compare |
| 315/70R18 | 18" | 35.36" | +0.4% | Compare |
| 355/55R20 | 20" | 35.37" | +0.5% | Compare |
| 305/75R17 | 17" | 35.01" | −0.6% | Compare |
| 35x12.50R15 | 15" | 35.00" | −0.6% | Compare |
One size up or down
Compare 305/55R22 with another size
Questions
- How tall is a 305/55R22 tire?
- A 305/55R22 tire is 35.2 inches tall (894 mm), calculated from the size. It is 12.0 inches wide with 6.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 305/55R22 mean?
- 305/55R22 means a tire 305 mm wide, with sidewalls 55% as tall as the tire is wide (168 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 305/55R22 tire make?
- About 573 revolutions per mile, based on a circumference of 110.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 305/55R22 tire?
- Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 335/50R22 instead of 305/55R22?
- 335/50R22 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.