Unit of Measure Conversions

Geometry (plane angle) Conversions

INPUT value:

OUTPUT values

(* Enter space-separated values for degrees, minutes and seconds thus: ddd mm ss.s)

Messages:

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Name	Symbol	Value	Description/Notes
radian	rad	57.296°	Angle at the centre of a circle which describes an arc on the circumference equal in length to the radius of the circle (2π radians = 360°)
steradian	sr	≈ 65°	Solid angle at the centre of a sphere which describes a circular area on the surface equal in size to the square of the sphere's radius