Spat (sp)

The spat equals 4π steradians (≈12.566 sr)—the solid angle subtended by a complete sphere as seen from its center. One spat = 41,253 square degrees = 1 full sphere. Used in radiation physics and isotropic source calculations. Rarely used; steradians preferred.

Convert From Spats

Spat to Steradian Spat to Millisteradian Spat to Microsteradian Spat to Nanosteradian Spat to Square Degree Spat to Square Arcminute Spat to Square Arcsecond Spat to Hemisphere Spat to Octant Spat to Spherical Quadrant Spat to Percent of Sphere

Convert To Spats

Steradian to Spat Millisteradian to Spat Microsteradian to Spat Nanosteradian to Spat Square Degree to Spat Square Arcminute to Spat Square Arcsecond to Spat Hemisphere to Spat Octant to Spat Spherical Quadrant to Spat Percent of Sphere to Spat

Conversion Factors

1 sp 12.566370614 sr

1 sp 12566.370614 msr

1 sp 12566370.614 μsr

1 sp 12566370614 nsr

1 sp 41252.963928 deg²

1 sp 148510748.15 arcmin²

1 sp 534639072429 arcsec²

1 sp 2 hemisphere

1 sp 7.9999999997 octant

1 sp 3.9999999994 quadrant

1 sp 100.00000489 %sphere

Related Units

Steradian (sr) Millisteradian (msr) Microsteradian (μsr) Nanosteradian (nsr) Square Degree (deg²) Square Arcminute (arcmin²) Square Arcsecond (arcsec²) Hemisphere (hemisphere) Octant (octant) Spherical Quadrant (quadrant) Percent of Sphere (%sphere)