225/70R17 tire size
A 225/70R17 tire is 29.40 inches (746.8 mm) tall, 8.86 in (225 mm) wide and fits a 17-inch wheel. In inch notation it is roughly a 29.4x8.9R17 — a "29-inch" tire.
| Overall diameter | 29.40 in | 746.8 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 6.20 in | 157.5 mm |
| Circumference | 92.37 in | 2,346 mm |
| Revolutions | 686.0 per mile | 426.2 per km |
| Rim diameter | 17 in | 431.8 mm |
Compare 225/70R17 with another size
Alternative sizes on the same 17-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/70R17:
Plus and minus sizes for 225/70R17
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 265/70R15 | Minus 2 (15 in) | 29.61 in | +0.70% |
| 255/70R15 | Minus 2 (15 in) | 29.06 in | −1.18% |
| 235/75R15 | Minus 2 (15 in) | 28.88 in | −1.78% |
| 255/75R15 | Minus 2 (15 in) | 30.06 in | +2.24% |
| 245/70R16 | Minus 1 (16 in) | 29.50 in | +0.35% |
| 225/75R16 | Minus 1 (16 in) | 29.29 in | −0.39% |
| 215/80R16 | Minus 1 (16 in) | 29.54 in | +0.48% |
| 255/65R16 | Minus 1 (16 in) | 29.05 in | −1.19% |
| 245/60R18 | Plus 1 (18 in) | 29.57 in | +0.59% |
| 235/60R18 | Plus 1 (18 in) | 29.10 in | −1.02% |
| 255/55R18 | Plus 1 (18 in) | 29.04 in | −1.22% |
| 235/65R18 | Plus 1 (18 in) | 30.03 in | +2.13% |
| 265/50R19 | Plus 2 (19 in) | 29.43 in | +0.11% |
| 205/65R19 | Plus 2 (19 in) | 29.49 in | +0.31% |
| 235/55R19 | Plus 2 (19 in) | 29.18 in | −0.76% |
| 255/50R19 | Plus 2 (19 in) | 29.04 in | −1.23% |
| 265/45R20 | Plus 3 (20 in) | 29.39 in | −0.04% |
| 235/50R20 | Plus 3 (20 in) | 29.25 in | −0.51% |
| 245/50R20 | Plus 3 (20 in) | 29.65 in | +0.83% |
| 275/45R20 | Plus 3 (20 in) | 29.74 in | +1.16% |
Vehicles approved with 225/70R17 tires
Models whose Swiss type approval lists 225/70R17 as a standard or optional size (28 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 17-inch sizes
Reading the 225/70R17 size
- 225 — section width in millimetres (8.86 in).
- 70 — aspect ratio: the sidewall is 70 % of the width, 157.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 17 — fits a 17-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.