285/30R22 tire size
A 285/30R22 tire is 28.73 inches (729.8 mm) tall, 11.22 in (285 mm) wide and fits a 22-inch wheel. In inch notation it is roughly a 28.7x11.2R22 — a "29-inch" tire.
| Overall diameter | 28.73 in | 729.8 mm |
|---|---|---|
| Section width | 11.22 in | 285 mm |
| Sidewall height | 3.37 in | 85.5 mm |
| Circumference | 90.27 in | 2,293 mm |
| Revolutions | 701.9 per mile | 436.2 per km |
| Rim diameter | 22 in | 558.8 mm |
Compare 285/30R22 with another size
Alternative sizes on the same 22-inch wheel
Sizes in use within ±3 % of the overall diameter of 285/30R22:
Plus and minus sizes for 285/30R22
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 315/35R20 | Minus 2 (20 in) | 28.68 in | −0.18% |
| 275/40R20 | Minus 2 (20 in) | 28.66 in | −0.25% |
| 325/35R20 | Minus 2 (20 in) | 28.96 in | +0.78% |
| 285/40R20 | Minus 2 (20 in) | 28.98 in | +0.85% |
| 325/30R21 | Minus 1 (21 in) | 28.68 in | −0.19% |
| 285/35R21 | Minus 1 (21 in) | 28.85 in | +0.42% |
| 275/35R21 | Minus 1 (21 in) | 28.58 in | −0.53% |
| 335/30R21 | Minus 1 (21 in) | 28.91 in | +0.63% |
Vehicles approved with 285/30R22 tires
Models whose Swiss type approval lists 285/30R22 as a standard or optional size (280 approvals in total). Always check your own vehicle's placard or papers.
Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.
Nearby 22-inch sizes
Reading the 285/30R22 size
- 285 — section width in millimetres (11.22 in).
- 30 — aspect ratio: the sidewall is 30 % of the width, 85.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 22 — fits a 22-inch diameter wheel.
The load index and speed rating (for example 91V) follow the size on the sidewall. They must meet at least the values on your vehicle's tire placard.