285/30R22 tire size
285/30R22 is a metric size: 28.7" tall, 11.2" wide, on a 22" rim — about a 28.5x11.00R22. The sidewall is 3.4" and the tire turns 702 times per mile.
285/30R22 specs
| Overall diameter (height) | 28.73" · 730 mm |
|---|---|
| Section width | 11.22" · 285 mm |
| Sidewall height | 3.37" · 86 mm (30% of width) |
| Rim diameter | 22" |
| Circumference | 90.27" · 2.293 m |
| Revolutions per mile | 702 (436 per km) |
| Inch (flotation) equivalent | 28.5x11.00R22 |
Equivalent sizes on a 22" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 265/35R22 | 29.30" | +1.99% | -20 mm | 61.2 mph | compare → |
| 285/35R22 | 29.85" | +3.91% | 0 mm | 62.3 mph | compare → |
| 275/35R22 | 29.58" | +2.95% | -10 mm | 61.8 mph | compare → |
| 295/35R22 | 30.13" | +4.86% | +10 mm | 62.9 mph | compare → |
| 295/30R22 | 28.97" | +0.82% | +10 mm | 60.5 mph | compare → |
| 315/30R22 | 29.44" | +2.47% | +30 mm | 61.5 mph | compare → |
| 255/40R22 | 30.03" | +4.52% | -30 mm | 62.7 mph | compare → |
| 265/30R22 | 28.26" | -1.64% | -20 mm | 59.0 mph | compare → |
| 255/30R22 | 28.02" | -2.47% | -30 mm | 58.5 mph | compare → |
| 295/25R22 | 27.81" | -3.22% | +10 mm | 58.1 mph | compare → |
| 255/35R22 | 29.03" | +1.03% | -30 mm | 60.6 mph | calculate → |
| 335/25R22 | 28.59" | -0.48% | +50 mm | 59.7 mph | calculate → |
| 245/30R22 | 27.79" | -3.29% | -40 mm | 58.0 mph | calculate → |
| 235/30R22 | 27.55" | -4.11% | -50 mm | 57.5 mph | calculate → |
| 315/25R22 | 28.20" | -1.85% | +30 mm | 58.9 mph | calculate → |
| 285/25R22 | 27.61" | -3.91% | 0 mm | 57.7 mph | calculate → |
| 275/30R22 | 28.50" | -0.82% | -10 mm | 59.5 mph | calculate → |
| 355/25R22 | 28.99" | +0.89% | +70 mm | 60.5 mph | calculate → |
| 305/30R22 | 29.20" | +1.64% | +20 mm | 61.0 mph | calculate → |
| 305/25R22 | 28.00" | -2.53% | +20 mm | 58.5 mph | calculate → |
| 325/30R22 | 29.68" | +3.29% | +40 mm | 62.0 mph | calculate → |
| 275/25R22 | 27.41" | -4.59% | -10 mm | 57.2 mph | calculate → |
Plus / minus sizing: 21" and 23" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 275/35R21 common | 28.58" | -0.53% | -10 mm | 59.7 mph | compare → |
| 325/30R21 | 28.68" | -0.19% | +40 mm | 59.9 mph | compare → |
| 285/35R21 | 28.85" | +0.42% | 0 mm | 60.3 mph | compare → |
| 245/40R21 | 28.72" | -0.05% | -40 mm | 60.0 mph | compare → |
| 335/30R21 | 28.91" | +0.63% | +50 mm | 60.4 mph | calculate → |
| 225/45R21 | 28.97" | +0.84% | -60 mm | 60.5 mph | calculate → |
Try another size against 285/30R22
Questions
What size is 285/30R22 in inches?
285/30R22 is about 28.7" tall and 11.2" wide on a 22-inch rim — roughly a 28.5x11.00R22 in inch sizing.
What does 285/30R22 mean?
285 mm section width, sidewall 30% of the width (3.37"), radial construction, 22-inch rim.
What tire sizes are equivalent to 285/30R22?
On the same 22" rim, within 3% of the diameter: 335/25R22 (-0.48%), 275/30R22 (-0.82%), 295/30R22 (+0.82%), 355/25R22 (+0.89%), 255/35R22 (+1.03%), 265/30R22 (-1.64%).
How many revolutions per mile does a 285/30R22 tire make?
About 702 revolutions per mile (circumference 90.3").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.