📏 码 ↔ 链Yard to Chain
码与链互算（1 yd = 0.0454545454545 ch）。本地换算，附常用相关单位。Convert yard and chain (1 yd = 0.0454545454545 ch). 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
「码 ↔ 链」是什么？What is the Yard to Chain tool?
码与链互算（1 yd = 0.0454545454545 ch）。本地换算，附常用相关单位。Convert yard and chain (1 yd = 0.0454545454545 ch). Runs locally with related units.
如何使用「码 ↔ 链」？How do I use the Yard to Chain tool?
在「码 ↔ 链」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 Yard to Chain and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 码等于多少链？How many chain in 1 yard?
1 yd = 0.0454545454545 ch（按国际定义系数）。1 yd = 0.0454545454545 ch (international definition).
如何把码换算成链？How do I convert yard to chain?
结果 = 数值 × 0.0454545454545。例如 22 yd = 1 ch。result = value × 0.0454545454545. Example: 22 yd = 1 ch.
码/链属于哪类单位？What kind of units are yard/chain?
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?
「码 ↔ 链」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 Yard to Chain uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「码 ↔ 链」免费吗？需要注册吗？Is the Yard to Chain free? Do I need an account?
「码 ↔ 链」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 Yard to Chain is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.