325/30R22 tire size in inches
A 325/30R22 tire measures
29.7" tall × 12.8" wide
3.84" sidewall on a 22" wheel. 680 revolutions per mile.
325/30R22 means a tire 325 mm wide, with sidewalls 30% as tall as the tire is wide (98 mm), radial construction (R), for a 22 inch wheel.
325/30R22 specs
| Overall diameter (height) | 29.68 inches (754 mm) |
|---|---|
| Section width | 12.80 inches (325 mm) |
| Sidewall height | 3.84 inches (98 mm) |
| Wheel (rim) diameter | 22 inches |
| Circumference | 93.2 inches (2,368 mm) |
| Revolutions per mile | 680 |
| Revolutions per kilometer | 422 |
| Approximate rim width | 10.5" to 12.0" |
| In inches (flotation style) | 29.7x12.8R22 |
| Aspect ratio | 30% |
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 325/30R22 on a 22" wheel
These 22" sizes are within 3% of 325/30R22's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 245/40R22 | 29.72" | 9.65" | +0.1% | 60.1 mph | Compare |
| 275/35R22 | 29.58" | 10.83" | −0.3% | 59.8 mph | Compare |
| 285/35R22 | 29.85" | 11.22" | +0.6% | 60.4 mph | Compare |
| 335/30R22 | 29.91" | 13.19" | +0.8% | 60.5 mph | Compare |
| 315/30R22 | 29.44" | 12.40" | −0.8% | 59.5 mph | Compare |
| 235/40R22 | 29.40" | 9.25" | −0.9% | 59.4 mph | Compare |
| 255/40R22 | 30.03" | 10.04" | +1.2% | 60.7 mph | Compare |
| 265/35R22 | 29.30" | 10.43" | −1.3% | 59.2 mph | Compare |
| 295/35R22 | 30.13" | 11.61" | +1.5% | 60.9 mph | Compare |
| 345/30R22 | 30.15" | 13.58" | +1.6% | 61.0 mph | Compare |
| 305/30R22 | 29.20" | 12.01" | −1.6% | 59.0 mph | Compare |
| 235/45R22 | 30.33" | 9.25" | +2.2% | 61.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/45R21 | 21" | 29.68" | 0.0% | Compare |
| 315/35R21 | 21" | 29.68" | 0.0% | Compare |
| 275/40R21 | 21" | 29.66" | −0.1% | Compare |
| 215/75R17 | 17" | 29.70" | +0.1% | Compare |
| 265/75R14 | 14" | 29.65" | −0.1% | Compare |
| 245/50R20 | 20" | 29.65" | −0.1% | Compare |
| 205/85R16 | 16" | 29.72" | +0.1% | Compare |
| 225/60R19 | 19" | 29.63" | −0.2% | Compare |
| 235/85R14 | 14" | 29.73" | +0.2% | Compare |
| 295/50R18 | 18" | 29.61" | −0.2% | Compare |
| 225/55R20 | 20" | 29.74" | +0.2% | Compare |
| 275/45R20 | 20" | 29.74" | +0.2% | Compare |
One size up or down
- 315/30R22narrower: 29.4" × 12.4"
- 335/30R22wider: 29.9" × 13.2"
- 325/25R22lower profile: 28.4" × 12.8"
- 325/35R22taller sidewall: 31.0" × 12.8"
Compare 325/30R22 with another size
Questions
- How tall is a 325/30R22 tire?
- A 325/30R22 tire is 29.7 inches tall (754 mm), calculated from the size. It is 12.8 inches wide with 3.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 325/30R22 mean?
- 325/30R22 means a tire 325 mm wide, with sidewalls 30% as tall as the tire is wide (98 mm), radial construction (R), for a 22 inch wheel.
- How many revolutions per mile does a 325/30R22 tire make?
- About 680 revolutions per mile, based on a circumference of 93.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 325/30R22 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 245/40R22 instead of 325/30R22?
- 245/40R22 is +0.04 inches (+0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.