235/70R15 tire size
A 235/70R15 tire is 27.95 inches (710.0 mm) tall, 9.25 in (235 mm) wide and fits a 15-inch wheel. In inch notation it is roughly a 28.0x9.3R15 — a "28-inch" tire.
| Overall diameter | 27.95 in | 710.0 mm |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Sidewall height | 6.48 in | 164.5 mm |
| Circumference | 87.82 in | 2,231 mm |
| Revolutions | 721.5 per mile | 448.3 per km |
| Rim diameter | 15 in | 381.0 mm |
Compare 235/70R15 with another size
Alternative sizes on the same 15-inch wheel
Sizes in use within ±3 % of the overall diameter of 235/70R15:
Plus and minus sizes for 235/70R15
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 235/65R16 | Plus 1 (16 in) | 28.03 in | +0.27% |
| 215/70R16 | Plus 1 (16 in) | 27.85 in | −0.37% |
| 245/60R16 | Plus 1 (16 in) | 27.57 in | −1.35% |
| 225/65R16 | Plus 1 (16 in) | 27.52 in | −1.56% |
| 215/65R17 | Plus 2 (17 in) | 28.00 in | +0.18% |
| 255/55R17 | Plus 2 (17 in) | 28.04 in | +0.32% |
| 235/60R17 | Plus 2 (17 in) | 28.10 in | +0.54% |
| 225/60R17 | Plus 2 (17 in) | 27.63 in | −1.15% |
| 255/50R18 | Plus 3 (18 in) | 28.04 in | +0.31% |
| 285/45R18 | Plus 3 (18 in) | 28.10 in | +0.52% |
| 215/60R18 | Plus 3 (18 in) | 28.16 in | +0.73% |
| 225/55R18 | Plus 3 (18 in) | 27.74 in | −0.75% |
Nearby 15-inch sizes
Reading the 235/70R15 size
- 235 — section width in millimetres (9.25 in).
- 70 — aspect ratio: the sidewall is 70 % of the width, 164.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 15 — fits a 15-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.