Gradian to Radian Converter
Gradian to Radian Formula
Conversion explanation: Divide the value in Gradian by 63.661977 to get the equivalent value in Radian.
Popular angle unit conversions
What is Gradian to Radian Converter
A gradian to radian converter changes angle units from gradians (gon) to radians (rad). It applies the standard mathematical factor where 200 gradians equals pi radians, helping users easily transition between angular measurement systems. For related calculations, you can also check our degree to radian conversion tool.
Definitions of Gradian and Radian
What is Gradian?
A gradian is a unit of plane angle measurement equal to 1/400th of a full circle. It is sometimes used in surveying and geodesy as an alternative to degrees. For related unit metrics, you can use our radian to degree 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 degree to gradian conversion tool.