🌌 吉米 ↔ 天狼星距Gigametre to Siriometer (1e6 au)
吉米与天狼星距互算（1 Gm = 6.684587122e-09 sir）。本地换算，附常用相关单位。Convert gigametre and siriometer (1e6 au) (1 Gm = 6.684587122e-09 sir). 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
「吉米 ↔ 天狼星距」是什么？What is the Gigametre to Siriometer (1e6 au) tool?
吉米与天狼星距互算（1 Gm = 6.684587122e-09 sir）。本地换算，附常用相关单位。Convert gigametre and siriometer (1e6 au) (1 Gm = 6.684587122e-09 sir). Runs locally with related units.
如何使用「吉米 ↔ 天狼星距」？How do I use the Gigametre to Siriometer (1e6 au) tool?
在「吉米 ↔ 天狼星距」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 Gigametre to Siriometer (1e6 au) and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 吉米等于多少天狼星距？How many siriometer (1e6 au) in 1 gigametre?
1 Gm = 6.684587122e-09 sir（按国际定义系数）。1 Gm = 6.684587122e-09 sir (international definition).
如何把吉米换算成天狼星距？How do I convert gigametre to siriometer (1e6 au)?
结果 = 数值 × 6.684587122e-09。例如 149597870.7 Gm = 1 sir。result = value × 6.684587122e-09. Example: 149597870.7 Gm = 1 sir.
吉米/天狼星距属于哪类单位？What kind of units are gigametre/siriometer (1e6 au)?
二者同属「长度」量纲，可安全互算；也可打开「length-converter」做多单位对照。Both are length units; see also the length converter hub.
换算系数准确吗？Are the conversion factors exact?
「吉米 ↔ 天狼星距」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 Gigametre to Siriometer (1e6 au) uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「吉米 ↔ 天狼星距」免费吗？需要注册吗？Is the Gigametre to Siriometer (1e6 au) free? Do I need an account?
「吉米 ↔ 天狼星距」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 Gigametre to Siriometer (1e6 au) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.