225/75R16 tire size
A 225/75R16 tire is 29.29 inches (743.9 mm) tall, 8.86 in (225 mm) wide and fits a 16-inch wheel. In inch notation it is roughly a 29.3x8.9R16 — a "29-inch" tire.
| Overall diameter | 29.29 in | 743.9 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 6.64 in | 168.8 mm |
| Circumference | 92.01 in | 2,337 mm |
| Revolutions | 688.6 per mile | 427.9 per km |
| Rim diameter | 16 in | 406.4 mm |
Compare 225/75R16 with another size
Alternative sizes on the same 16-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/75R16:
Plus and minus sizes for 225/75R16
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 255/70R15 | Minus 1 (15 in) | 29.06 in | −0.79% |
| 265/70R15 | Minus 1 (15 in) | 29.61 in | +1.09% |
| 235/75R15 | Minus 1 (15 in) | 28.88 in | −1.40% |
| 215/80R15 | Minus 1 (15 in) | 28.54 in | −2.54% |
| 225/70R17 | Plus 1 (17 in) | 29.40 in | +0.39% |
| 255/60R17 | Plus 1 (17 in) | 29.05 in | −0.82% |
| 245/65R17 | Plus 1 (17 in) | 29.54 in | +0.86% |
| 235/65R17 | Plus 1 (17 in) | 29.03 in | −0.89% |
| 235/60R18 | Plus 2 (18 in) | 29.10 in | −0.63% |
| 255/55R18 | Plus 2 (18 in) | 29.04 in | −0.83% |
| 245/60R18 | Plus 2 (18 in) | 29.57 in | +0.98% |
| 225/60R18 | Plus 2 (18 in) | 28.63 in | −2.24% |
| 235/55R19 | Plus 3 (19 in) | 29.18 in | −0.38% |
| 265/50R19 | Plus 3 (19 in) | 29.43 in | +0.50% |
| 205/65R19 | Plus 3 (19 in) | 29.49 in | +0.70% |
| 255/50R19 | Plus 3 (19 in) | 29.04 in | −0.85% |
Vehicles approved with 225/75R16 tires
Models whose Swiss type approval lists 225/75R16 as a standard or optional size (98 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 225/75R16 size
- 225 — section width in millimetres (8.86 in).
- 75 — aspect ratio: the sidewall is 75 % of the width, 168.8 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.