# Degree (angle)

## Unit of plane angle where a full circle equals 360° / From Wikipedia, the free encyclopedia

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A **degree** (in full, a **degree of arc**, **arc degree**, or **arcdegree**), usually denoted by **°** (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees.[4]

Unit of plane angle where a full circle equals 360°

**Quick facts: Degree, General information, Unit system, Uni...**▼

Degree | |
---|---|

General information | |

Unit system | Non-SI accepted unit |

Unit of | Angle |

Symbol | °[1][2], deg[3] |

Conversions | |

1°[1][2] in ... | ... is equal to ... |

turns | 1/360 turn |

radians | π/180 rad ≈ 0.01745.. rad |

milliradians | 50·π/9 mrad ≈ 17.45.. mrad |

gons | 10/9^{g} |

It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI brochure as an accepted unit.[5] Because a full rotation equals 2π radians, one degree is equivalent to π/180 radians.