325/45R22 tire size in inches
A 325/45R22 tire measures
33.5" tall × 12.8" wide
5.76" sidewall on a 22" wheel. 602 revolutions per mile.
325/45R22 means a tire 325 mm wide, with sidewalls 45% as tall as the tire is wide (146 mm), radial construction (R), for a 22 inch wheel.
325/45R22 specs
| Overall diameter (height) | 33.52 inches (851 mm) |
|---|---|
| Section width | 12.80 inches (325 mm) |
| Sidewall height | 5.76 inches (146 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 105.3 inches (2,674 mm) |
| Revolutions per mile | 602 |
| Revolutions per kilometer | 374 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 33.5x12.8R22 |
| 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 325/45R22 on a 22" wheel
These 22" sizes are within 3% of 325/45R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/55R22 | 33.48" | 10.43" | −0.1% | 59.9 mph | Compare |
| 295/50R22 | 33.61" | 11.61" | +0.3% | 60.2 mph | Compare |
| 285/50R22 | 33.22" | 11.22" | −0.9% | 59.5 mph | Compare |
| 355/40R22 | 33.18" | 13.98" | −1.0% | 59.4 mph | Compare |
| 315/45R22 | 33.16" | 12.40" | −1.1% | 59.4 mph | Compare |
| 335/45R22 | 33.87" | 13.19" | +1.1% | 60.6 mph | Compare |
| 275/55R22 | 33.91" | 10.83" | +1.2% | 60.7 mph | Compare |
| 255/55R22 | 33.04" | 10.04" | −1.4% | 59.2 mph | Compare |
| 305/50R22 | 34.01" | 12.01" | +1.5% | 60.9 mph | Compare |
| 33x12.50R22 | 33.00" | 12.50" | −1.5% | 59.1 mph | Compare |
| 345/40R22 | 32.87" | 13.58" | −1.9% | 58.8 mph | Compare |
| 275/50R22 | 32.83" | 10.83" | −2.1% | 58.8 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 335/55R19 | 19" | 33.51" | 0.0% | Compare |
| 345/35R24 | 24" | 33.51" | 0.0% | Compare |
| 265/65R20 | 20" | 33.56" | +0.1% | Compare |
| 285/60R20 | 20" | 33.46" | −0.2% | Compare |
| 355/45R21 | 21" | 33.58" | +0.2% | Compare |
| 345/50R20 | 20" | 33.58" | +0.2% | Compare |
| 285/65R19 | 19" | 33.59" | +0.2% | Compare |
| 305/40R24 | 24" | 33.61" | +0.3% | Compare |
| 295/75R16 | 16" | 33.42" | −0.3% | Compare |
| 305/65R18 | 18" | 33.61" | +0.3% | Compare |
| 305/60R19 | 19" | 33.41" | −0.3% | Compare |
| 275/85R15 | 15" | 33.41" | −0.3% | Compare |
One size up or down
- 315/45R22narrower: 33.2" × 12.4"
- 335/45R22wider: 33.9" × 13.2"
- 325/40R22lower profile: 32.2" × 12.8"
- 325/50R22taller sidewall: 34.8" × 12.8"
Compare 325/45R22 with another size
Questions
- How tall is a 325/45R22 tire?
- A 325/45R22 tire is 33.5 inches tall (851 mm), calculated from the size. It is 12.8 inches wide with 5.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 325/45R22 mean?
- 325/45R22 means a tire 325 mm wide, with sidewalls 45% as tall as the tire is wide (146 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 325/45R22 tire make?
- About 602 revolutions per mile, based on a circumference of 105.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 325/45R22 tire?
- Roughly 10.5" to 12.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/55R22 instead of 325/45R22?
- 265/55R22 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.