345/40R22 tire size in inches
A 345/40R22 tire measures
32.9" tall × 13.6" wide
5.43" sidewall on a 22" wheel. 614 revolutions per mile.
345/40R22 means a tire 345 mm wide, with sidewalls 40% as tall as the tire is wide (138 mm), radial construction (R), for a 22 inch wheel.
345/40R22 specs
| Overall diameter (height) | 32.87 inches (835 mm) |
|---|---|
| Section width | 13.58 inches (345 mm) |
| Sidewall height | 5.43 inches (138 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 103.3 inches (2,623 mm) |
| Revolutions per mile | 614 |
| Revolutions per kilometer | 381 |
| Approximate rim width | 11.5" to 13.0" |
| In inches (flotation style) | 32.9x13.6R22 |
| 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 345/40R22 on a 22" wheel
These 22" sizes are within 3% of 345/40R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 275/50R22 | 32.83" | 10.83" | −0.1% | 59.9 mph | Compare |
| 305/45R22 | 32.81" | 12.01" | −0.2% | 59.9 mph | Compare |
| 33x12.50R22 | 33.00" | 12.50" | +0.4% | 60.2 mph | Compare |
| 255/55R22 | 33.04" | 10.04" | +0.5% | 60.3 mph | Compare |
| 245/55R22 | 32.61" | 9.65" | −0.8% | 59.5 mph | Compare |
| 315/45R22 | 33.16" | 12.40" | +0.9% | 60.5 mph | Compare |
| 335/40R22 | 32.55" | 13.19" | −1.0% | 59.4 mph | Compare |
| 355/40R22 | 33.18" | 13.98" | +1.0% | 60.6 mph | Compare |
| 285/50R22 | 33.22" | 11.22" | +1.1% | 60.6 mph | Compare |
| 295/45R22 | 32.45" | 11.61" | −1.3% | 59.2 mph | Compare |
| 265/50R22 | 32.43" | 10.43" | −1.3% | 59.2 mph | Compare |
| 265/55R22 | 33.48" | 10.43" | +1.9% | 61.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 335/45R21 | 21" | 32.87" | 0.0% | Compare |
| 315/60R18 | 18" | 32.88" | 0.0% | Compare |
| 285/75R16 | 16" | 32.83" | −0.1% | Compare |
| 275/55R21 | 21" | 32.91" | +0.1% | Compare |
| 295/60R19 | 19" | 32.94" | +0.2% | Compare |
| 325/50R20 | 20" | 32.80" | −0.2% | Compare |
| 285/80R15 | 15" | 32.95" | +0.3% | Compare |
| 295/55R20 | 20" | 32.78" | −0.3% | Compare |
| 325/35R24 | 24" | 32.96" | +0.3% | Compare |
| 285/40R24 | 24" | 32.98" | +0.3% | Compare |
| 355/50R19 | 19" | 32.98" | +0.3% | Compare |
| 275/60R20 | 20" | 32.99" | +0.4% | Compare |
One size up or down
- 335/40R22narrower: 32.6" × 13.2"
- 355/40R22wider: 33.2" × 14.0"
- 345/35R22lower profile: 31.5" × 13.6"
- 345/45R22taller sidewall: 34.2" × 13.6"
Compare 345/40R22 with another size
Questions
- How tall is a 345/40R22 tire?
- A 345/40R22 tire is 32.9 inches tall (835 mm), calculated from the size. It is 13.6 inches wide with 5.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 345/40R22 mean?
- 345/40R22 means a tire 345 mm wide, with sidewalls 40% as tall as the tire is wide (138 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 345/40R22 tire make?
- About 614 revolutions per mile, based on a circumference of 103.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 345/40R22 tire?
- Roughly 11.5" to 13.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 275/50R22 instead of 345/40R22?
- 275/50R22 is −0.04 inches (−0.1%) 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.