275/60R20 tire size
A 275/60R20 tire is 32.99 inches (838.0 mm) tall, 10.83 in (275 mm) wide and fits a 20-inch wheel. In inch notation it is roughly a 33.0x10.8R20 — a "33-inch" tire.
| Overall diameter | 32.99 in | 838.0 mm |
|---|---|---|
| Section width | 10.83 in | 275 mm |
| Sidewall height | 6.50 in | 165.0 mm |
| Circumference | 103.65 in | 2,633 mm |
| Revolutions | 611.3 per mile | 379.8 per km |
| Rim diameter | 20 in | 508.0 mm |
Compare 275/60R20 with another size
Alternative sizes on the same 20-inch wheel
Sizes in use within ±3 % of the overall diameter of 275/60R20:
Plus and minus sizes for 275/60R20
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 275/70R18 | Minus 2 (18 in) | 33.16 in | +0.50% |
| 265/70R18 | Minus 2 (18 in) | 32.61 in | −1.17% |
| 285/65R18 | Minus 2 (18 in) | 32.59 in | −1.23% |
| 275/65R18 | Minus 2 (18 in) | 32.07 in | −2.78% |
| 255/65R19 | Minus 1 (19 in) | 32.05 in | −2.85% |
| 275/50R22 | Plus 2 (22 in) | 32.83 in | −0.50% |
| 305/45R22 | Plus 2 (22 in) | 32.81 in | −0.56% |
| 325/40R22 | Plus 2 (22 in) | 32.24 in | −2.29% |
| 285/45R22 | Plus 2 (22 in) | 32.10 in | −2.71% |
Vehicles approved with 275/60R20 tires
Models whose Swiss type approval lists 275/60R20 as a standard or optional size (5 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 275/60R20 size
- 275 — section width in millimetres (10.83 in).
- 60 — aspect ratio: the sidewall is 60 % of the width, 165.0 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.