# Angle Unit Conversion

Conversion Settings
Number of digits:
• degree [°]
• circle
• gon
• mil
• minute [']
• revolution [r]
• right angle
• second ["]
• turn

## Quick notes on angle units

The below will give you a quick glance on each length unit. Helping you to find an conversion answer as quickly as possible is always our top priority.

degree [°]A degree is 1/360 of a full rotation, or equal to π/180 radians. Usually denoted by °.
circleA circle is a full rotation, equal to 360 degree or 2π radians.
gonA gon is 1/400 of a turn(360 degrees).
grad [g]Grad, also know as gradian, grade, gon, is equal to 1/400 of a turn(360 degrees).
milA mil is 1⁄6400 of a circle in NATO countries.
minute [']A minute of arc(MOA) is equal to 1/60 of one degree.
quadrantA quadrant is equal to one quarter of a circle.
radian [rad]Radian(rad) is the ratio between the length of an arc and its radius. 1 rad is equal to 180°/π, it is about 57.2958°.
revolution [r]Revolution is a full rotation.
right angleA right angle is equal to 1/4 turn, or 90°.
second ["]A second of arc(arcsecond) is 1⁄60 of one minute of arc(MOA).
turnA turn is 360°.