Degree (angle)

degree
One degree (shown in red) and eighty nine degrees (shown in blue). The lined area is a right angle.
General information
Unit systemNon-SI metric unit
Unit ofAngle
Symbol°, deg
Conversions
in ...... is equal to ...
   turns   1/360 turn
   radians   π/180 rad ≈ 0.01745... rad
   milliradians   50π/9 mrad ≈ 17.45... mrad
   gradians   10/9g
   arcminutes   60′
   arcseconds   3600″

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a unit of measurement of a plane angle in which one full rotation is assigned the value of 360 degrees. The unit of angular measure in the International System of Units (SI) is the radian, and one degree is equivalent to π/180 radians.