Radian and Degree Conversions

Front

Definition of Radian

Back

A radian is the angle subtended at the centre of a circle by an arc equal in length to the radius of the circle.

Front

Definition of Degree

Back

A degree is 1/360 of a full rotation around a circle.

Front

Conversion Formula (Radians to Degrees)

Back

Degrees = Radians × 180/π

Front

Conversion Formula (Degrees to Radians)

Back

Radians = Degrees × π/180

Front

Convert π/6 radians to degrees

Back

30°

Front

Convert π/4 radians to degrees

Back

45°

Front

Convert 60° to radians

Back

π/3 radians

Front

Convert 90° to radians

Back

π/2 radians

Front

Convert 180° to radians

Back

π radians

Front

Convert 270° to radians

Back

3π/2 radians