195/40R17 tire size
A 195/40R17 tire is 23.14 inches (587.8 mm) tall, 7.68 in (195 mm) wide and fits a 17-inch wheel. In inch notation it is roughly a 23.1x7.7R17.
| Overall diameter | 23.14 in | 587.8 mm |
|---|---|---|
| Section width | 7.68 in | 195 mm |
| Sidewall height | 3.07 in | 78.0 mm |
| Circumference | 72.70 in | 1,847 mm |
| Revolutions | 871.5 per mile | 541.5 per km |
| Rim diameter | 17 in | 431.8 mm |
Compare 195/40R17 with another size
Alternative sizes on the same 17-inch wheel
Sizes in use within ±3 % of the overall diameter of 195/40R17:
Plus and minus sizes for 195/40R17
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 205/50R15 | Minus 2 (15 in) | 23.07 in | −0.31% |
| 175/60R15 | Minus 2 (15 in) | 23.27 in | +0.54% |
| 185/55R15 | Minus 2 (15 in) | 23.01 in | −0.56% |
| 195/55R15 | Minus 2 (15 in) | 23.44 in | +1.31% |
| 205/45R16 | Minus 1 (16 in) | 23.26 in | +0.53% |
| 185/50R16 | Minus 1 (16 in) | 23.28 in | +0.61% |
| 195/45R16 | Minus 1 (16 in) | 22.91 in | −1.00% |
| 175/50R16 | Minus 1 (16 in) | 22.89 in | −1.09% |
Vehicles approved with 195/40R17 tires
Models whose Swiss type approval lists 195/40R17 as a standard or optional size (167 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 195/40R17 size
- 195 — section width in millimetres (7.68 in).
- 40 — aspect ratio: the sidewall is 40 % of the width, 78.0 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.