 
 |   |  |   | |
|   |   | 
| Characteristic |   | fine-structure-constant |   | Notes | 
|---|---|---|---|---|
|   |   | |||
| Symbol | α | Use "alpha" for our conversion calculators. | ||
| Metric (SI) Equivalent | 0.0072973525693 | |||
| Standard Uncertainty | ± 1.1×10-12 | |||
| Metric (SI) Dimensions | [dimensionless] | |||