205/50R15 tire size
A 205/50R15 tire is 23.07 inches (586.0 mm) tall, 8.07 in (205 mm) wide and fits a 15-inch wheel. In inch notation it is roughly a 23.1x8.1R15.
| Overall diameter | 23.07 in | 586.0 mm |
|---|---|---|
| Section width | 8.07 in | 205 mm |
| Sidewall height | 4.04 in | 102.5 mm |
| Circumference | 72.48 in | 1,841 mm |
| Revolutions | 874.2 per mile | 543.2 per km |
| Rim diameter | 15 in | 381.0 mm |
Compare 205/50R15 with another size
Alternative sizes on the same 15-inch wheel
Sizes in use within ±3 % of the overall diameter of 205/50R15:
Plus and minus sizes for 205/50R15
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 185/70R13 | Minus 2 (13 in) | 23.20 in | +0.55% |
| 205/60R13 | Minus 2 (13 in) | 22.69 in | −1.67% |
| 175/70R13 | Minus 2 (13 in) | 22.65 in | −1.84% |
| 175/65R14 | Minus 1 (14 in) | 22.96 in | −0.49% |
| 195/60R14 | Minus 1 (14 in) | 23.21 in | +0.61% |
| 185/60R14 | Minus 1 (14 in) | 22.74 in | −1.43% |
| 185/65R14 | Minus 1 (14 in) | 23.47 in | +1.72% |
| 195/45R16 | Plus 1 (16 in) | 22.91 in | −0.70% |
| 175/50R16 | Plus 1 (16 in) | 22.89 in | −0.78% |
| 205/45R16 | Plus 1 (16 in) | 23.26 in | +0.84% |
| 185/50R16 | Plus 1 (16 in) | 23.28 in | +0.92% |
| 195/40R17 | Plus 2 (17 in) | 23.14 in | +0.31% |
| 225/35R17 | Plus 2 (17 in) | 23.20 in | +0.56% |
| 205/40R17 | Plus 2 (17 in) | 23.46 in | +1.67% |
| 185/45R17 | Plus 2 (17 in) | 23.56 in | +2.10% |
Vehicles approved with 205/50R15 tires
Models whose Swiss type approval lists 205/50R15 as a standard or optional size (97 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 15-inch sizes
Reading the 205/50R15 size
- 205 — section width in millimetres (8.07 in).
- 50 — aspect ratio: the sidewall is 50 % of the width, 102.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 15 — fits a 15-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.