Radian (rad)
The radian is the main mathematical angle unit and expresses arc length divided by radius.
History: the radian is based on arc length divided by radius and became a natural angular unit in mathematics.
Quickly convert radians to degrees without lookup tables or manual math.
This page is focused on converting radians to degrees. Type a number into the first field and the result appears immediately in the second field.
Example: 1 rad = 57.2957795131 °. Conversion formula: result = value × 1 / 0.017453292519943.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The radian is the main mathematical angle unit and expresses arc length divided by radius.
History: the radian is based on arc length divided by radius and became a natural angular unit in mathematics.
The degree divides a full circle into 360 parts and is convenient for geometry, maps, compasses, and everyday angles.
History: the angular degree comes from the sexagesimal tradition of dividing a circle into 360 parts.
Enter a value in the Radian field. The converter applies the formula "result = value × 1 / 0.017453292519943" and immediately shows the result in degrees.
1 rad = 57.2957795131 °.
Yes. Use the swap button or choose the reverse pair from the full conversion list.