Degree to Radian Converter
Degree to Radian Formula
Conversion explanation: Divide the value in Degree by 57.29578 to get the equivalent value in Radian.
Popular angle unit conversions
What is Degree to Radian Converter
A degree to radian converter is a math utility that transforms angle measurements from degrees (°) to radians (rad). It relies on the mathematical relationship where 180 degrees equals pi radians, or 1 degree is approximately 0.01745 radians. For related calculations, you can also check our radian to degree conversion tool.
Definitions of Degree and Radian
What is Degree?
A degree of arc is a unit of plane angle measurement representing 1/360th of a full rotation. It is widely used in geometry, cartography, and astronomy. For related unit metrics, you can use our degree to gradian conversion tool.
What is Radian?
A radian is the SI derived unit for measuring plane angles. It is defined as the angle subtended at the center of a circle by an arc equal in length to the radius. If you need to make other calculations, see our gradian to degree conversion tool.