Units of Angle
3 units of angle in the database, across 2 measurement systems, each with its exact or best-known SI value.
| Unit | Symbol | Quantity | Value in SI |
|---|---|---|---|
| Radian | rad | Plane angle | 1 rad = 1 m/m (dimensionless); 180°/π |
| Steradian | sr | Solid angle | 1 sr = 1 m²/m² (dimensionless) |
| Degree of arc | ° | Plane angle | 1° = π/180 rad |