235/80R17 tire size
A 235/80R17 tire is 31.80 inches (807.8 mm) tall, 9.25 in (235 mm) wide and fits a 17-inch wheel. In inch notation it is roughly a 31.8x9.3R17 — a "32-inch" tire.
| Overall diameter | 31.80 in | 807.8 mm |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Sidewall height | 7.40 in | 188.0 mm |
| Circumference | 99.91 in | 2,538 mm |
| Revolutions | 634.2 per mile | 394.0 per km |
| Rim diameter | 17 in | 431.8 mm |
Compare 235/80R17 with another size
Alternative sizes on the same 17-inch wheel
Sizes in use within ±3 % of the overall diameter of 235/80R17:
Plus and minus sizes for 235/80R17
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 235/85R16 | Minus 1 (16 in) | 31.73 in | −0.24% |
| 265/75R16 | Minus 1 (16 in) | 31.65 in | −0.48% |
| 275/70R16 | Minus 1 (16 in) | 31.16 in | −2.03% |
| 265/65R18 | Plus 1 (18 in) | 31.56 in | −0.76% |
| 255/70R18 | Plus 1 (18 in) | 32.06 in | +0.79% |
| 275/65R18 | Plus 1 (18 in) | 32.07 in | +0.85% |
| 285/60R18 | Plus 1 (18 in) | 31.46 in | −1.06% |
| 255/65R19 | Plus 2 (19 in) | 32.05 in | +0.78% |
| 255/60R19 | Plus 2 (19 in) | 31.05 in | −2.38% |
| 235/65R19 | Plus 2 (19 in) | 31.03 in | −2.44% |
| 275/55R19 | Plus 2 (19 in) | 30.91 in | −2.81% |
| 275/55R20 | Plus 3 (20 in) | 31.91 in | +0.33% |
| 255/60R20 | Plus 3 (20 in) | 32.05 in | +0.77% |
| 285/55R20 | Plus 3 (20 in) | 32.34 in | +1.70% |
| 285/50R20 | Plus 3 (20 in) | 31.22 in | −1.83% |
Nearby 17-inch sizes
Reading the 235/80R17 size
- 235 — section width in millimetres (9.25 in).
- 80 — aspect ratio: the sidewall is 80 % of the width, 188.0 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.