Angle Converter
Convert angles between degrees, radians, gradians and revolutions.
Make this result useful
Use it now, or keep a copy for later. We never save your tool input automatically.
How to use this tool
Enter an angle and select the source and target units.
Important to know
Convert angles between degrees, radians, gradians and revolutions.
Results involving π are rounded for display.
Formula and methodology
One revolution = 360 degrees = 2π radians = 400 gradians.
Example
180 degrees equals π radians, approximately 3.14159265359.
Frequently asked questions
How many degrees are in one radian?
One radian is 180/π degrees, approximately 57.2958 degrees.