215/40R16 tire size
A 215/40R16 tire is 22.77 inches (578.4 mm) tall, 8.46 in (215 mm) wide and fits a 16-inch wheel. In inch notation it is roughly a 22.8x8.5R16.
| Overall diameter | 22.77 in | 578.4 mm |
|---|---|---|
| Section width | 8.46 in | 215 mm |
| Sidewall height | 3.39 in | 86.0 mm |
| Circumference | 71.54 in | 1,817 mm |
| Revolutions | 885.7 per mile | 550.3 per km |
| Rim diameter | 16 in | 406.4 mm |
Compare 215/40R16 with another size
Alternative sizes on the same 16-inch wheel
Sizes in use within ±3 % of the overall diameter of 215/40R16:
Plus and minus sizes for 215/40R16
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 185/60R14 | Minus 2 (14 in) | 22.74 in | −0.14% |
| 195/60R14 | Minus 2 (14 in) | 23.21 in | +1.94% |
| 245/40R15 | Minus 1 (15 in) | 22.72 in | −0.24% |
| 195/50R15 | Minus 1 (15 in) | 22.68 in | −0.41% |
| 185/55R15 | Minus 1 (15 in) | 23.01 in | +1.05% |
| 205/50R15 | Minus 1 (15 in) | 23.07 in | +1.31% |
| 195/40R17 | Plus 1 (17 in) | 23.14 in | +1.63% |
| 225/35R17 | Plus 1 (17 in) | 23.20 in | +1.88% |
Vehicles approved with 215/40R16 tires
Models whose Swiss type approval lists 215/40R16 as a standard or optional size (34 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 16-inch sizes
Reading the 215/40R16 size
- 215 — section width in millimetres (8.46 in).
- 40 — aspect ratio: the sidewall is 40 % of the width, 86.0 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 16 — fits a 16-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.