quadrant
Spherical Quadrant
Geometric System

Spherical Quadrant (quadrant)

A spherical quadrant equals π steradians (≈3.142 sr)—one-quarter of a complete sphere. Equivalent to two octants or half a hemisphere. Represents the solid angle of one "quarter" of the sky bounded by two perpendicular great circles.

Convert From Spherical Quadrants

Convert To Spherical Quadrants

Conversion Factors

1 quadrant 3.141592654 sr
1 quadrant 3141.592654 msr
1 quadrant 3141592.654 μsr
1 quadrant 3141592654 nsr
1 quadrant 10313.240984 deg²
1 quadrant 37127687.042 arcmin²
1 quadrant 133659768129 arcsec²
1 quadrant 0.25 sp
1 quadrant 0.5000000001 hemisphere
1 quadrant 2.0000000003 octant
1 quadrant 25.000001225 %sphere

Related Units