295/45R20 tire size
A 295/45R20 tire is 30.45 inches (773.5 mm) tall, 11.61 in (295 mm) wide and fits a 20-inch wheel. In inch notation it is roughly a 30.5x11.6R20 — a "30-inch" tire.
| Overall diameter | 30.45 in | 773.5 mm |
|---|---|---|
| Section width | 11.61 in | 295 mm |
| Sidewall height | 5.23 in | 132.8 mm |
| Circumference | 95.67 in | 2,430 mm |
| Revolutions | 662.3 per mile | 411.5 per km |
| Rim diameter | 20 in | 508.0 mm |
Compare 295/45R20 with another size
Alternative sizes on the same 20-inch wheel
Sizes in use within ±3 % of the overall diameter of 295/45R20:
Plus and minus sizes for 295/45R20
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 265/60R18 | Minus 2 (18 in) | 30.52 in | +0.22% |
| 285/55R18 | Minus 2 (18 in) | 30.34 in | −0.36% |
| 275/60R18 | Minus 2 (18 in) | 30.99 in | +1.77% |
| 265/55R19 | Minus 1 (19 in) | 30.48 in | +0.08% |
| 275/55R19 | Minus 1 (19 in) | 30.91 in | +1.50% |
| 275/50R19 | Minus 1 (19 in) | 29.83 in | −2.06% |
| 265/45R21 | Plus 1 (21 in) | 30.39 in | −0.21% |
| 305/40R21 | Plus 1 (21 in) | 30.61 in | +0.50% |
| 295/40R21 | Plus 1 (21 in) | 30.29 in | −0.53% |
| 275/45R21 | Plus 1 (21 in) | 30.74 in | +0.96% |
| 265/40R22 | Plus 2 (22 in) | 30.35 in | −0.35% |
| 275/40R22 | Plus 2 (22 in) | 30.66 in | +0.69% |
| 315/35R22 | Plus 2 (22 in) | 30.68 in | +0.75% |
| 295/35R22 | Plus 2 (22 in) | 30.13 in | −1.06% |
| 315/30R23 | Plus 3 (23 in) | 30.44 in | −0.04% |
| 275/35R23 | Plus 3 (23 in) | 30.58 in | +0.41% |
| 325/30R23 | Plus 3 (23 in) | 30.68 in | +0.74% |
| 285/35R23 | Plus 3 (23 in) | 30.85 in | +1.32% |
Vehicles approved with 295/45R20 tires
Models whose Swiss type approval lists 295/45R20 as a standard or optional size (46 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 20-inch sizes
Reading the 295/45R20 size
- 295 — section width in millimetres (11.61 in).
- 45 — aspect ratio: the sidewall is 45 % of the width, 132.8 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 20 — fits a 20-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.