225/50R15 tire size
A 225/50R15 tire is 23.86 inches (606.0 mm) tall, 8.86 in (225 mm) wide and fits a 15-inch wheel. In inch notation it is roughly a 23.9x8.9R15.
| Overall diameter | 23.86 in | 606.0 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 4.43 in | 112.5 mm |
| Circumference | 74.95 in | 1,904 mm |
| Revolutions | 845.3 per mile | 525.3 per km |
| Rim diameter | 15 in | 381.0 mm |
Compare 225/50R15 with another size
Alternative sizes on the same 15-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/50R15:
Plus and minus sizes for 225/50R15
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 195/65R14 | Minus 1 (14 in) | 23.98 in | +0.51% |
| 195/60R14 | Minus 1 (14 in) | 23.21 in | −2.71% |
| 225/45R16 | Plus 1 (16 in) | 23.97 in | +0.48% |
| 195/50R16 | Plus 1 (16 in) | 23.68 in | −0.76% |
| 205/50R16 | Plus 1 (16 in) | 24.07 in | +0.89% |
| 215/45R16 | Plus 1 (16 in) | 23.62 in | −1.01% |
| 195/45R17 | Plus 2 (17 in) | 23.91 in | +0.21% |
| 215/40R17 | Plus 2 (17 in) | 23.77 in | −0.36% |
| 225/40R17 | Plus 2 (17 in) | 24.09 in | +0.96% |
| 205/40R17 | Plus 2 (17 in) | 23.46 in | −1.68% |
| 215/35R18 | Plus 3 (18 in) | 23.93 in | +0.28% |
| 225/35R18 | Plus 3 (18 in) | 24.20 in | +1.44% |
| 205/40R18 | Plus 3 (18 in) | 24.46 in | +2.51% |
| 235/35R18 | Plus 3 (18 in) | 24.48 in | +2.59% |
Nearby 15-inch sizes
Reading the 225/50R15 size
- 225 — section width in millimetres (8.86 in).
- 50 — aspect ratio: the sidewall is 50 % of the width, 112.5 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.