285/45R19 tire size
A 285/45R19 tire is 29.10 inches (739.1 mm) tall, 11.22 in (285 mm) wide and fits a 19-inch wheel. In inch notation it is roughly a 29.1x11.2R19 — a "29-inch" tire.
| Overall diameter | 29.10 in | 739.1 mm |
|---|---|---|
| Section width | 11.22 in | 285 mm |
| Sidewall height | 5.05 in | 128.2 mm |
| Circumference | 91.42 in | 2,322 mm |
| Revolutions | 693.1 per mile | 430.7 per km |
| Rim diameter | 19 in | 482.6 mm |
Compare 285/45R19 with another size
Alternative sizes on the same 19-inch wheel
Sizes in use within ±3 % of the overall diameter of 285/45R19:
Plus and minus sizes for 285/45R19
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 255/60R17 | Minus 2 (17 in) | 29.05 in | −0.18% |
| 275/55R17 | Minus 2 (17 in) | 28.91 in | −0.65% |
| 255/55R18 | Minus 1 (18 in) | 29.04 in | −0.19% |
| 285/50R18 | Minus 1 (18 in) | 29.22 in | +0.42% |
| 255/45R20 | Plus 1 (20 in) | 29.04 in | −0.22% |
| 285/40R20 | Plus 1 (20 in) | 28.98 in | −0.42% |
| 325/35R20 | Plus 1 (20 in) | 28.96 in | −0.49% |
| 295/40R20 | Plus 1 (20 in) | 29.29 in | +0.66% |
| 295/35R21 | Plus 2 (21 in) | 29.13 in | +0.11% |
| 255/40R21 | Plus 2 (21 in) | 29.03 in | −0.23% |
| 335/30R21 | Plus 2 (21 in) | 28.91 in | −0.64% |
| 285/35R21 | Plus 2 (21 in) | 28.85 in | −0.84% |
| 255/35R22 | Plus 3 (22 in) | 29.03 in | −0.24% |
| 305/30R22 | Plus 3 (22 in) | 29.20 in | +0.37% |
| 295/30R22 | Plus 3 (22 in) | 28.97 in | −0.45% |
| 265/35R22 | Plus 3 (22 in) | 29.30 in | +0.70% |
Vehicles approved with 285/45R19 tires
Models whose Swiss type approval lists 285/45R19 as a standard or optional size (283 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 19-inch sizes
Reading the 285/45R19 size
- 285 — section width in millimetres (11.22 in).
- 45 — aspect ratio: the sidewall is 45 % of the width, 128.2 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 19 — fits a 19-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.