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Steradian

Conversions to other units

1 sr | 0.001 ksr (kilosteradians)
| 0.07958 spheres

Conversions from other units

1 ksr | 1000 sr
1 sphere | 12.57 sr

Physical quantities

solid angle

projected solid angle

Unit type

SI derived: m^2 m^(-2) (meter^2 meter^(-2))

Common prefix forms

kilosteradian (ksr) | megasteradian (Msr) | gigasteradian (Gsr)

Unit system

in effect treated as quantity with unit one in SI

Basic unit dimensions

[angle]^2

Comparisons for 1 sr as solid angle

≈ 0.64 × solid angle subtended by one face of a regular octahedron from its center ( π/2 sr )

≈ 0.95 × solid angle subtended by one face of a regular dodecahedron from its center ( π/3 sr )

≈ 15000 × average solid angle subtended by the sun from the earth ( ≈ 6.8×10^-5 sr )