275/45R19 tire size
A 275/45R19 tire is 28.74 inches (730.1 mm) tall, 10.83 in (275 mm) wide and fits a 19-inch wheel. In inch notation it is roughly a 28.7x10.8R19 — a "29-inch" tire.
| Overall diameter | 28.74 in | 730.1 mm |
|---|---|---|
| Section width | 10.83 in | 275 mm |
| Sidewall height | 4.87 in | 123.7 mm |
| Circumference | 90.30 in | 2,294 mm |
| Revolutions | 701.6 per mile | 436.0 per km |
| Rim diameter | 19 in | 482.6 mm |
Compare 275/45R19 with another size
Alternative sizes on the same 19-inch wheel
Sizes in use within ±3 % of the overall diameter of 275/45R19:
Plus and minus sizes for 275/45R19
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 275/55R17 | Minus 2 (17 in) | 28.91 in | +0.58% |
| 255/60R17 | Minus 2 (17 in) | 29.05 in | +1.05% |
| 255/55R17 | Minus 2 (17 in) | 28.04 in | −2.44% |
| 245/65R17 | Minus 2 (17 in) | 29.54 in | +2.77% |
| 255/55R18 | Minus 1 (18 in) | 29.04 in | +1.04% |
| 285/50R18 | Minus 1 (18 in) | 29.22 in | +1.66% |
| 285/45R18 | Minus 1 (18 in) | 28.10 in | −2.25% |
| 255/50R18 | Minus 1 (18 in) | 28.04 in | −2.45% |
| 245/45R20 | Plus 1 (20 in) | 28.68 in | −0.22% |
| 315/35R20 | Plus 1 (20 in) | 28.68 in | −0.22% |
| 275/40R20 | Plus 1 (20 in) | 28.66 in | −0.29% |
| 325/35R20 | Plus 1 (20 in) | 28.96 in | +0.74% |
| 245/40R21 | Plus 2 (21 in) | 28.72 in | −0.10% |
| 325/30R21 | Plus 2 (21 in) | 28.68 in | −0.23% |
| 285/35R21 | Plus 2 (21 in) | 28.85 in | +0.38% |
| 275/35R21 | Plus 2 (21 in) | 28.58 in | −0.58% |
| 285/30R22 | Plus 3 (22 in) | 28.73 in | −0.04% |
| 295/30R22 | Plus 3 (22 in) | 28.97 in | +0.78% |
| 255/35R22 | Plus 3 (22 in) | 29.03 in | +0.99% |
| 305/30R22 | Plus 3 (22 in) | 29.20 in | +1.60% |
Vehicles approved with 275/45R19 tires
Models whose Swiss type approval lists 275/45R19 as a standard or optional size (100 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
- 255/35R19 (−9.5%)
- 255/40R19 (−6.0%)
- 255/45R19 (−2.5%)
- 255/50R19 (+1.0%)
- 255/55R19 (+4.5%)
- 265/35R19 (−8.5%)
- 265/40R19 (−4.9%)
- 265/45R19 (−1.2%)
- 265/50R19 (+2.4%)
- 265/55R19 (+6.0%)
- 275/35R19 (−7.5%)
- 275/40R19 (−3.8%)
- 275/50R19 (+3.8%)
- 275/55R19 (+7.5%)
- 285/35R19 (−6.6%)
- 285/40R19 (−2.7%)
- 285/45R19 (+1.2%)
- 295/35R19 (−5.6%)
- 295/40R19 (−1.6%)
- 295/45R19 (+2.5%)
Reading the 275/45R19 size
- 275 — section width in millimetres (10.83 in).
- 45 — aspect ratio: the sidewall is 45 % of the width, 123.7 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.