225/65R16 tire size
A 225/65R16 tire is 27.52 inches (698.9 mm) tall, 8.86 in (225 mm) wide and fits a 16-inch wheel. In inch notation it is roughly a 27.5x8.9R16 — a "28-inch" tire.
| Overall diameter | 27.52 in | 698.9 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 5.76 in | 146.3 mm |
| Circumference | 86.44 in | 2,196 mm |
| Revolutions | 733.0 per mile | 455.4 per km |
| Rim diameter | 16 in | 406.4 mm |
Compare 225/65R16 with another size
Alternative sizes on the same 16-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/65R16:
Plus and minus sizes for 225/65R16
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 225/70R15 | Minus 1 (15 in) | 27.40 in | −0.41% |
| 215/75R15 | Minus 1 (15 in) | 27.70 in | +0.66% |
| 195/80R15 | Minus 1 (15 in) | 27.28 in | −0.84% |
| 235/70R15 | Minus 1 (15 in) | 27.95 in | +1.59% |
| 205/65R17 | Plus 1 (17 in) | 27.49 in | −0.09% |
| 245/55R17 | Plus 1 (17 in) | 27.61 in | +0.34% |
| 225/60R17 | Plus 1 (17 in) | 27.63 in | +0.41% |
| 235/55R17 | Plus 1 (17 in) | 27.18 in | −1.23% |
| 265/45R18 | Plus 2 (18 in) | 27.39 in | −0.46% |
| 245/50R18 | Plus 2 (18 in) | 27.65 in | +0.47% |
| 205/60R18 | Plus 2 (18 in) | 27.69 in | +0.62% |
| 215/55R18 | Plus 2 (18 in) | 27.31 in | −0.74% |
| 215/50R19 | Plus 3 (19 in) | 27.46 in | −0.19% |
| 195/55R19 | Plus 3 (19 in) | 27.44 in | −0.26% |
| 275/40R19 | Plus 3 (19 in) | 27.66 in | +0.53% |
| 245/45R19 | Plus 3 (19 in) | 27.68 in | +0.60% |
Vehicles approved with 225/65R16 tires
Models whose Swiss type approval lists 225/65R16 as a standard or optional size (86 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
- 205/55R16 (−9.6%)
- 205/60R16 (−6.7%)
- 205/65R16 (−3.7%)
- 205/70R16 (−0.8%)
- 215/55R16 (−8.0%)
- 215/60R16 (−4.9%)
- 215/65R16 (−1.9%)
- 215/70R16 (+1.2%)
- 215/75R16 (+4.3%)
- 225/55R16 (−6.4%)
- 225/60R16 (−3.2%)
- 225/70R16 (+3.2%)
- 225/75R16 (+6.4%)
- 235/60R16 (−1.5%)
- 235/65R16 (+1.9%)
- 235/70R16 (+5.2%)
- 235/75R16 (+8.6%)
- 245/55R16 (−3.3%)
- 245/60R16 (+0.2%)
- 245/70R16 (+7.2%)
- 245/75R16 (+10.7%)
Reading the 225/65R16 size
- 225 — section width in millimetres (8.86 in).
- 65 — aspect ratio: the sidewall is 65 % of the width, 146.3 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.