About the Units
radian (rad)
The standard unit of angular measure, defined by the ratio of arc length to radius (approximately 57.2958 degrees).
degree (°)
A unit of angular measure equal to 1/360 of a revolution, commonly used in geometry and navigation.
Common Conversions
- 1 rad = 57.29578 °
- 0.017453292 rad = 1 °