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Radian

Measurement units: radiation - absorbed dose
Symbol: rad
Degrees to radians Radians to degrees

info The radian is an SI derived unit of angle, commonly used in maths and engineering. A radian measures approx. 56.296 degrees (when the arc length is equal to the radius).

π radians = 180 degrees
2 * π radians = 360 degrees
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  • 1 radian rad = 1*57.295777279 degrees °deg
  • 1 radian rad = 1*0.159154892 revolutions rev
  • 1 radian rad = 1*0.159154950 rotations rot
  • 1 radian rad = 1*1000.000000000 milliradians mrad
  • 1 radian rad = 1*3.819718485 hour angles ha