Square Arcsecond (arcsec²)

A square arcsecond equals (1/3600)² of a square degree or about 2.35×10⁻¹¹ steradians. One square arcminute = 3,600 square arcseconds. Measures individual star disks, exoplanet host star separation, and high-resolution imaging pixels.

Convert From Square Arcseconds

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

Convert To Square Arcseconds

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

Conversion Factors

1 arcsec² 2.35044e-11 sr

1 arcsec² 2.35044e-8 msr

1 arcsec² 2.35044e-5 μsr

1 arcsec² 0.0235044 nsr

1 arcsec² 7.7160398585e-8 deg²

1 arcsec² 0.0002777776 arcmin²

1 arcsec² 1.8704207223e-12 sp

1 arcsec² 3.7408414445e-12 hemisphere

1 arcsec² 1.4963365778e-11 octant

1 arcsec² 7.4816828878e-12 quadrant

1 arcsec² 1.8704208136e-10 %sphere

Related Units

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