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角度与弧度 换算器
转换度、弧度、梯度、角分、角秒以及周角。
ui.popularConversions - 角度与弧度
度 (°) 到 弧度 (rad) → 弧度 (rad) 到 度 (°) → 度 (°) 到 梯度 (gon / grad) → 梯度 (gon / grad) 到 度 (°) → 弧度 (rad) 到 梯度 (gon / grad) → 度 (°) 到 角分 (′) → 角分 (′) 到 度 (°) → 度 (°) 到 角秒 (″) → 角秒 (″) 到 度 (°) → 弧度 (rad) 到 毫弧度 (mrad) → 度 (°) 到 北约密位 (6400分圆) → 北约密位 (6400分圆) 到 度 (°) → 周角 (全转 / 360°) 到 度 (°) → 周角 (全转 / 360°) 到 弧度 (rad) → 度 (°) 到 罗盘罗经点 (11.25°) →
参考与转换系数
角度与弧度 参考与转换系数
基础基准单位： 度 (°) (°)
| 单位名称 | 符号 | 分类 | 等值于 度 (°) | 描述 |
|---|---|---|---|---|
| 度 (°) | ° | 📐 Standard Geometric & SI Units | 1 ° = 1 ° | 1/360th of a full circle rotation (standard planar angle base) |
| 弧度 (rad) | rad | 📐 Standard Geometric & SI Units | 1 rad = 57.29577951 ° | SI derived unit of angle ($2\pi\text{ rad} = 360^\circ \approx 57.2958^\circ$) |
| 梯度 (gon / grad) | grad | 📐 Standard Geometric & SI Units | 1 grad = 0.9 ° | Metric decimal angle system ($100\text{ grad} = 90^\circ$ right angle) |
| 毫弧度 (mrad) | mrad | 📐 Standard Geometric & SI Units | 1 mrad = 0.05729578 ° | 1/1,000th of a radian, widely used in optics, sniper scopes & ballistics |
| 微弧度 (μrad) | µrad | 📐 Standard Geometric & SI Units | 1 µrad = 0.0000573 ° | 1/1,000,000th of a radian for precision laser interferometer alignment |
| 角分 (′) | ′ | 🔭 Astronomical & Arc Subdivisions | 1 ′ = 0.01666667 ° | 1/60th of a degree ($60\text{ arcmin} = 1^\circ$, MOA in precision shooting) |
| 角秒 (″) | ″ | 🔭 Astronomical & Arc Subdivisions | 1 ″ = 0.00027778 ° | 1/3,600th of a degree ($60\text{ arcsec} = 1\text{ arcmin}$) |
| 毫角秒 (mas) | mas | 🔭 Astronomical & Arc Subdivisions | 1 mas = 2.7778e-7 ° | 1/1,000th of an arcsecond for astronomical stellar parallax (Gaia telescope) |
| 微角秒 (μas) | µas | 🔭 Astronomical & Arc Subdivisions | 1 µas = 2.7778e-10 ° | Deep space interferometer angular resolution (Event Horizon Telescope) |
| 周角 (全转 / 360°) | rev | 🔄 Circular Cycles & Geometric Sectors | 1 rev = 360 ° | One complete rotation ($360^\circ$ or $2\pi\text{ radians}$) |
| 直角 (象限角 / 90°) | quad | 🔄 Circular Cycles & Geometric Sectors | 1 quad = 90 ° | 1/4th of a full rotation ($90^\circ$ perpendicular right angle) |
| 六分仪角 (60°) | sextant | 🔄 Circular Cycles & Geometric Sectors | 1 sextant = 60 ° | 1/6th of a full rotation ($60^\circ$ equilateral triangle angle) |
| 八分仪角 (45°) | octant | 🔄 Circular Cycles & Geometric Sectors | 1 octant = 45 ° | 1/8th of a full rotation ($45^\circ$ diagonal angle) |
| 黄道十二宫度 (30°) | sign | 🔄 Circular Cycles & Geometric Sectors | 1 sign = 30 ° | 1/12th of a circular celestial sphere ($30^\circ$ celestial longitude) |
| 北约密位 (6400分圆) | mil | 🎯 Military, Navigation & Digital Systems | 1 mil = 0.05625 ° | Standard NATO military artillery compass ($6,400\text{ mils} = 360^\circ$) |
| 华约/苏制密位 (6000分圆) | mil (Soviet) | 🎯 Military, Navigation & Digital Systems | 1 mil (Soviet) = 0.06 ° | Eastern European artillery angle system ($6,000\text{ mils} = 360^\circ$) |
| 瑞典密位 (6300分圆) | streck | 🎯 Military, Navigation & Digital Systems | 1 streck = 0.05714286 ° | Nordic defense artillery system ($6,300\text{ streck} = 360^\circ$) |
| 罗盘罗经点 (11.25°) | pt | 🎯 Military, Navigation & Digital Systems | 1 pt = 11.25 ° | Traditional 32-point nautical mariner compass ($1\text{ pt} = 11.25^\circ$) |
| 二进制弧度 (Brad) | brad | 🎯 Military, Navigation & Digital Systems | 1 brad = 1.40625 ° | 8-bit binary fixed-point angle for GPUs and 3D math ($256\text{ brads} = 360^\circ$) |