| Quantity | Name | Symbol | Equivalent Units |
|---|---|---|---|
| Plane Angle | radian | rad |
m m-1 = 1 |
| Angular Velocity | radian per second | rad/s |
|
| Angular Acceleration | radian per second squared | rad/s2 |
|
| Solid Angle | steradian | sr |
m2 m-2 = 1 |
| Radiance | watt per square metre steradian | W/(m2 sr) |
|
| Radiant Intensity | watt per steradian | W/sr |
|
| Radiant Intensity | watt per steradian | W/sr |
|
| Radiant Intensity | watt per steradian | W/sr |