Degree to Radian Converter
Degree Definition
A degree (symbol: °) is 1/360 of a full rotation.
History/Origin
Likely adopted by ancient astronomers due to 360-day approximations.
Current Use
Most common unit for angles in geometry and everyday life.
Radian Definition
SI unit of angular measure, defined by arc length equal to radius.
History/Origin
Concept formalized in the 1700s.
Current Use
Used extensively in calculus, trigonometry, and physics.