⚓ 卸扣 ↔ 掌宽Shackle (15 fathom) to Shaftment
卸扣与掌宽互算（1 shackle = 166.1538462 shaftment）。本地换算，附常用相关单位。Convert shackle (15 fathom) and shaftment (1 shackle = 166.1538462 shaftment). 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
「卸扣 ↔ 掌宽」是什么？What is the Shackle (15 fathom) to Shaftment tool?
卸扣与掌宽互算（1 shackle = 166.1538462 shaftment）。本地换算，附常用相关单位。Convert shackle (15 fathom) and shaftment (1 shackle = 166.1538462 shaftment). Runs locally with related units.
如何使用「卸扣 ↔ 掌宽」？How do I use the Shackle (15 fathom) to Shaftment tool?
在「卸扣 ↔ 掌宽」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 Shackle (15 fathom) to Shaftment and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 卸扣等于多少掌宽？How many shaftment in 1 shackle (15 fathom)?
1 shackle = 166.1538462 shaftment（按国际定义系数）。1 shackle = 166.1538462 shaftment (international definition).
如何把卸扣换算成掌宽？How do I convert shackle (15 fathom) to shaftment?
结果 = 数值 × 166.1538462。例如 1 shackle = 166.1538462 shaftment。result = value × 166.1538462. Example: 1 shackle = 166.1538462 shaftment.
卸扣/掌宽属于哪类单位？What kind of units are shackle (15 fathom)/shaftment?
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?
「卸扣 ↔ 掌宽」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 Shackle (15 fathom) to Shaftment uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「卸扣 ↔ 掌宽」免费吗？需要注册吗？Is the Shackle (15 fathom) to Shaftment free? Do I need an account?
「卸扣 ↔ 掌宽」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 Shackle (15 fathom) to Shaftment is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.