205/60R18 tire size
A 205/60R18 tire is 27.69 inches (703.2 mm) tall, 8.07 in (205 mm) wide and fits a 18-inch wheel. In inch notation it is roughly a 27.7x8.1R18 — a "28-inch" tire.
| Overall diameter | 27.69 in | 703.2 mm |
|---|---|---|
| Section width | 8.07 in | 205 mm |
| Sidewall height | 4.84 in | 123.0 mm |
| Circumference | 86.98 in | 2,209 mm |
| Revolutions | 728.5 per mile | 452.7 per km |
| Rim diameter | 18 in | 457.2 mm |
Compare 205/60R18 with another size
Alternative sizes on the same 18-inch wheel
Sizes in use within ±3 % of the overall diameter of 205/60R18:
Plus and minus sizes for 205/60R18
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 245/60R16 | Minus 2 (16 in) | 27.57 in | −0.40% |
| 215/70R16 | Minus 2 (16 in) | 27.85 in | +0.60% |
| 225/65R16 | Minus 2 (16 in) | 27.52 in | −0.61% |
| 235/65R16 | Minus 2 (16 in) | 28.03 in | +1.24% |
| 225/60R17 | Minus 1 (17 in) | 27.63 in | −0.20% |
| 245/55R17 | Minus 1 (17 in) | 27.61 in | −0.27% |
| 205/65R17 | Minus 1 (17 in) | 27.49 in | −0.70% |
| 215/65R17 | Minus 1 (17 in) | 28.00 in | +1.15% |
| 245/45R19 | Plus 1 (19 in) | 27.68 in | −0.01% |
| 225/50R19 | Plus 1 (19 in) | 27.86 in | +0.63% |
| 205/55R19 | Plus 1 (19 in) | 27.88 in | +0.70% |
| 215/50R19 | Plus 1 (19 in) | 27.46 in | −0.80% |
| 195/50R20 | Plus 2 (20 in) | 27.68 in | −0.03% |
| 245/40R20 | Plus 2 (20 in) | 27.72 in | +0.11% |
| 215/45R20 | Plus 2 (20 in) | 27.62 in | −0.24% |
| 175/55R20 | Plus 2 (20 in) | 27.58 in | −0.38% |
| 245/35R21 | Plus 3 (21 in) | 27.75 in | +0.24% |
| 255/35R21 | Plus 3 (21 in) | 28.03 in | +1.24% |
Vehicles approved with 205/60R18 tires
Models whose Swiss type approval lists 205/60R18 as a standard or optional size (363 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 18-inch sizes
Reading the 205/60R18 size
- 205 — section width in millimetres (8.07 in).
- 60 — aspect ratio: the sidewall is 60 % of the width, 123.0 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 18 — fits a 18-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.