18 Tire Size Calculator
| Tire Size | Diameter (inches) | Width (inches) | Aspect Ratio (%) |
|---|---|---|---|
| 185/65R14 | 23.5 | 7.3 | 65 |
| 195/60R15 | 24.2 | 7.7 | 60 |
| 205/55R16 | 24.9 | 8.1 | 55 |
| 215/50R17 | 25.5 | 8.5 | 50 |
| 225/45R18 | 26.0 | 8.9 | 45 |
| 235/40R19 | 26.4 | 9.3 | 40 |
| 245/35R20 | 26.8 | 9.6 | 35 |
| 255/30R21 | 27.0 | 10.0 | 30 |
| 265/25R22 | 27.6 | 10.4 | 25 |
| 275/20R23 | 27.8 | 10.8 | 20 |
| 285/15R24 | 28.3 | 11.2 | 15 |
| 295/10R25 | 28.9 | 11.6 | 10 |
| 305/05R26 | 29.4 | 12.0 | 5 |
| 315/02R27 | 29.8 | 12.4 | 2 |
| 325/01R28 | 30.2 | 12.8 | 1 |