Converter
solid angle · International · Modern
steradian
srexact
- Record
- M435
- Definition quality
- Standardized
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
Steradian is the coherent SI unit of solid angle.
Reference value
One steradian is equal to 1 steradian.
History & use
Used in radiometry/photometry/physics.
Modern use
Current-use record in the project inventory; exact scope should follow the definition and regional/system context shown here.
Did you know?
A full sphere is 4π sr.
Sources & evidence
Source tier Tier A · confidence High