📐 度 ↔ 角秒Degree to Arcsecond
度与角秒互算（1 ° = 3600 ″）。本地换算，附常用相关单位。Convert degree and arcsecond (1 ° = 3600 ″). Runs locally with related units.
点击任意一行可复制该结果；小于 0.0001 或不小于 10¹⁵ 的数值用 × 10ⁿ 科学计数法显示Click any row to copy that result. Values below 0.0001 or at least 10¹⁵ are shown in × 10ⁿ notation
使用说明与常见问题How-to & FAQ
「度 ↔ 角秒」是什么？What is the Degree to Arcsecond tool?
度与角秒互算（1 ° = 3600 ″）。本地换算，附常用相关单位。Convert degree and arcsecond (1 ° = 3600 ″). Runs locally with related units.
如何使用「度 ↔ 角秒」？How do I use the Degree to Arcsecond tool?
在「度 ↔ 角秒」中输入数值并选择原单位，表格会同时列出换算到所有其他单位的结果，可一键复制。Enter a value in the Degree to Arcsecond and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 度等于多少角秒？How many arcsecond in 1 degree?
1 ° = 3600 ″（按国际定义系数）。1 ° = 3600 ″ (international definition).
如何把度换算成角秒？How do I convert degree to arcsecond?
结果 = 数值 × 3600。例如 1 ° = 3600 ″。result = value × 3600. Example: 1 ° = 3600 ″.
度/角秒属于哪类单位？What kind of units are degree/arcsecond?
二者同属「角度」量纲，可安全互算；也可打开「angle-converter」做多单位对照。Both are angle units; see also the angle converter hub.
换算系数准确吗？Are the conversion factors exact?
「度 ↔ 角秒」采用国际单位制（SI）或公认标准中的定义值作为换算系数，结果保留约 10 位有效数字。The Degree to Arcsecond uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「度 ↔ 角秒」免费吗？需要注册吗？Is the Degree to Arcsecond free? Do I need an account?
「度 ↔ 角秒」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Degree to Arcsecond is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.