Hemisphere (hemisphere)

A hemisphere equals 2π steradians (≈6.283 sr)—half of a complete sphere. Represents the visible sky from any point on Earth, or one side of a surface. Used in lighting calculations: a horizontal surface receives radiation from a hemisphere of solid angle.

Convert From Hemispheres

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

Convert To Hemispheres

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

Conversion Factors

1 hemisphere 6.283185307 sr

1 hemisphere 6283.185307 msr

1 hemisphere 6283185.307 μsr

1 hemisphere 6283185307 nsr

1 hemisphere 20626.481964 deg²

1 hemisphere 74255374.073 arcmin²

1 hemisphere 267319536214 arcsec²

1 hemisphere 0.5 sp

1 hemisphere 3.9999999999 octant

1 hemisphere 1.9999999997 quadrant

1 hemisphere 50.000002443 %sphere

Related Units

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