185/55R14 tire size
A 185/55R14 tire is 22.01 inches (559.1 mm) tall, 7.28 in (185 mm) wide and fits a 14-inch wheel. In inch notation it is roughly a 22.0x7.3R14.
| Overall diameter | 22.01 in | 559.1 mm |
|---|---|---|
| Section width | 7.28 in | 185 mm |
| Sidewall height | 4.01 in | 101.7 mm |
| Circumference | 69.15 in | 1,756 mm |
| Revolutions | 916.2 per mile | 569.3 per km |
| Rim diameter | 14 in | 355.6 mm |
Compare 185/55R14 with another size
Alternative sizes on the same 14-inch wheel
Sizes in use within ±3 % of the overall diameter of 185/55R14:
Plus and minus sizes for 185/55R14
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 175/65R13 | Minus 1 (13 in) | 21.96 in | −0.25% |
| 165/70R13 | Minus 1 (13 in) | 22.09 in | +0.38% |
| 205/55R13 | Minus 1 (13 in) | 21.88 in | −0.61% |
| 185/60R13 | Minus 1 (13 in) | 21.74 in | −1.23% |
| 195/45R15 | Plus 1 (15 in) | 21.91 in | −0.47% |
| 175/50R15 | Plus 1 (15 in) | 21.89 in | −0.55% |
| 155/60R15 | Plus 1 (15 in) | 22.32 in | +1.41% |
| 175/55R15 | Plus 1 (15 in) | 22.58 in | +2.58% |
Vehicles approved with 185/55R14 tires
Models whose Swiss type approval lists 185/55R14 as a standard or optional size (135 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 14-inch sizes
Reading the 185/55R14 size
- 185 — section width in millimetres (7.28 in).
- 55 — aspect ratio: the sidewall is 55 % of the width, 101.7 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 14 — fits a 14-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.