275/30R22 tire size
275/30R22 is a metric size: 28.5" tall, 10.8" wide, on a 22" rim — about a 28.5x11.00R22. The sidewall is 3.2" and the tire turns 708 times per mile.
275/30R22 specs
| Overall diameter (height) | 28.50" · 724 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 3.25" · 83 mm (30% of width) |
| Rim diameter | 22" |
| Circumference | 89.52" · 2.274 m |
| Revolutions per mile | 708 (440 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" | +2.83% | -10 mm | 61.7 mph | calculate → |
| 285/35R22 | 29.85" | +4.77% | +10 mm | 62.9 mph | calculate → |
| 275/35R22 | 29.58" | +3.80% | 0 mm | 62.3 mph | calculate → |
| 285/30R22 | 28.73" | +0.83% | +10 mm | 60.5 mph | calculate → |
| 295/30R22 | 28.97" | +1.66% | +20 mm | 61.0 mph | calculate → |
| 315/30R22 | 29.44" | +3.32% | +40 mm | 62.0 mph | calculate → |
| 265/30R22 | 28.26" | -0.83% | -10 mm | 59.5 mph | calculate → |
| 255/30R22 | 28.02" | -1.66% | -20 mm | 59.0 mph | calculate → |
| 295/25R22 | 27.81" | -2.42% | +20 mm | 58.5 mph | calculate → |
| 255/35R22 | 29.03" | +1.87% | -20 mm | 61.1 mph | calculate → |
| 335/25R22 | 28.59" | +0.35% | +60 mm | 60.2 mph | calculate → |
| 245/30R22 | 27.79" | -2.49% | -30 mm | 58.5 mph | calculate → |
| 235/30R22 | 27.55" | -3.32% | -40 mm | 58.0 mph | calculate → |
| 315/25R22 | 28.20" | -1.04% | +40 mm | 59.4 mph | calculate → |
| 285/25R22 | 27.61" | -3.11% | +10 mm | 58.1 mph | calculate → |
| 355/25R22 | 28.99" | +1.73% | +80 mm | 61.0 mph | calculate → |
| 305/25R22 | 28.00" | -1.73% | +30 mm | 59.0 mph | calculate → |
| 305/30R22 | 29.20" | +2.49% | +30 mm | 61.5 mph | calculate → |
| 275/25R22 | 27.41" | -3.80% | 0 mm | 57.7 mph | calculate → |
| 325/30R22 | 29.68" | +4.14% | +50 mm | 62.5 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" | +0.29% | 0 mm | 60.2 mph | calculate → |
| 265/35R21 | 28.30" | -0.68% | -10 mm | 59.6 mph | calculate → |
| 325/30R21 | 28.68" | +0.64% | +50 mm | 60.4 mph | calculate → |
| 315/30R21 | 28.44" | -0.19% | +40 mm | 59.9 mph | calculate → |
| 245/40R21 | 28.72" | +0.77% | -30 mm | 60.5 mph | calculate → |
| 265/25R23 | 28.22" | -0.98% | -10 mm | 59.4 mph | calculate → |
Try another size against 275/30R22
Questions
What size is 275/30R22 in inches?
275/30R22 is about 28.5" tall and 10.8" wide on a 22-inch rim — roughly a 28.5x11.00R22 in inch sizing.
What does 275/30R22 mean?
275 mm section width, sidewall 30% of the width (3.25"), radial construction, 22-inch rim.
What tire sizes are equivalent to 275/30R22?
On the same 22" rim, within 3% of the diameter: 335/25R22 (+0.35%), 265/30R22 (-0.83%), 285/30R22 (+0.83%), 315/25R22 (-1.04%), 255/30R22 (-1.66%), 295/30R22 (+1.66%).
How many revolutions per mile does a 275/30R22 tire make?
About 708 revolutions per mile (circumference 89.5").
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.