235/45R22 tire size in inches
A 235/45R22 tire measures
30.3" tall × 9.3" wide
4.16" sidewall on a 22" wheel. 665 revolutions per mile.
235/45R22 means a tire 235 mm wide, with sidewalls 45% as tall as the tire is wide (106 mm), radial construction (R), for a 22 inch wheel.
235/45R22 specs
| Overall diameter (height) | 30.33 inches (770 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 4.16 inches (106 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 95.3 inches (2,420 mm) |
| Revolutions per mile | 665 |
| Revolutions per kilometer | 413 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 30.3x9.3R22 |
| 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 235/45R22 on a 22" wheel
These 22" sizes are within 3% of 235/45R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/40R22 | 30.35" | 10.43" | +0.1% | 60.0 mph | Compare |
| 355/30R22 | 30.39" | 13.98" | +0.2% | 60.1 mph | Compare |
| 305/35R22 | 30.41" | 12.01" | +0.3% | 60.2 mph | Compare |
| 345/30R22 | 30.15" | 13.58" | −0.6% | 59.6 mph | Compare |
| 295/35R22 | 30.13" | 11.61" | −0.6% | 59.6 mph | Compare |
| 255/40R22 | 30.03" | 10.04" | −1.0% | 59.4 mph | Compare |
| 275/40R22 | 30.66" | 10.83" | +1.1% | 60.7 mph | Compare |
| 245/45R22 | 30.68" | 9.65" | +1.2% | 60.7 mph | Compare |
| 315/35R22 | 30.68" | 12.40" | +1.2% | 60.7 mph | Compare |
| 335/30R22 | 29.91" | 13.19" | −1.4% | 59.2 mph | Compare |
| 285/35R22 | 29.85" | 11.22" | −1.6% | 59.1 mph | Compare |
| 245/40R22 | 29.72" | 9.65" | −2.0% | 58.8 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 285/55R18 | 18" | 30.34" | +0.1% | Compare |
| 295/40R21 | 21" | 30.29" | −0.1% | Compare |
| 225/75R17 | 17" | 30.29" | −0.1% | Compare |
| 215/85R16 | 16" | 30.39" | +0.2% | Compare |
| 265/45R21 | 21" | 30.39" | +0.2% | Compare |
| 265/30R24 | 24" | 30.26" | −0.2% | Compare |
| 245/85R14 | 14" | 30.40" | +0.2% | Compare |
| 325/25R24 | 24" | 30.40" | +0.2% | Compare |
| 225/70R18 | 18" | 30.40" | +0.2% | Compare |
| 235/50R21 | 21" | 30.25" | −0.2% | Compare |
| 315/50R18 | 18" | 30.40" | +0.2% | Compare |
| 325/40R20 | 20" | 30.24" | −0.3% | Compare |
One size up or down
- 245/45R22wider: 30.7" × 9.6"
- 235/40R22lower profile: 29.4" × 9.3"
- 235/50R22taller sidewall: 31.3" × 9.3"
Compare 235/45R22 with another size
Questions
- How tall is a 235/45R22 tire?
- A 235/45R22 tire is 30.3 inches tall (770 mm), calculated from the size. It is 9.3 inches wide with 4.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/45R22 mean?
- 235/45R22 means a tire 235 mm wide, with sidewalls 45% as tall as the tire is wide (106 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 235/45R22 tire make?
- About 665 revolutions per mile, based on a circumference of 95.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/45R22 tire?
- Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/40R22 instead of 235/45R22?
- 265/40R22 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.