Angle Converters: Degrees, Radians and Gradians

Angles are measured in degrees in everyday life, in radians in maths and programming, and occasionally in gradians in surveying. A full turn is 360 degrees, 2 pi radians or 400 gradians.

Each converter shows the exact formula and a table of the angles you meet most, such as 30, 45, 90 and 180 degrees.

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