Angle Converter

Free online angle converter. Convert degrees, radians, gradians. Fast, accurate, runs in your browser.

From

Result

3.1415926536 rad

180° = 3.1415926536rad

All Conversions

rad (radians)3.1415926536

grad (gradians)200

' (minutes of arc)10800

" (seconds of arc)648000

turn (turns)0.5

Trigonometric Values

sin(180°)

1.2246e-16

cos(180°)

-1

tan(180°)

-1.2246e-16

sin⁻¹(180°)

1.2246e-16

Common Angles

Full circle = 360° = 6.2831853072 rad = 400 grad

Straight line = 180° = 3.1415926536 rad = 200 grad

Right angle = 90° = 1.5707963268 rad = 100 grad

Equilateral triangle = 60° = 1.0471975512 rad = 66.6666666667 grad

Pentagon (interior) = 108° = 1.8849555922 rad = 120 grad

Hexagon (interior) = 120° = 2.0943951024 rad = 133.3333333333 grad