⛵ 节 ↔ 千米/秒Knot to Kilometre/s
节与千米/秒互算（1 kn = 0.000514444444444 km/s）。本地换算，附常用相关单位。Convert knot and kilometre/s (1 kn = 0.000514444444444 km/s). 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
「节 ↔ 千米/秒」是什么？What is the Knot to Kilometre/s tool?
节与千米/秒互算（1 kn = 0.000514444444444 km/s）。本地换算，附常用相关单位。Convert knot and kilometre/s (1 kn = 0.000514444444444 km/s). Runs locally with related units.
如何使用「节 ↔ 千米/秒」？How do I use the Knot to Kilometre/s tool?
在「节 ↔ 千米/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 Knot to Kilometre/s and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 节等于多少千米/秒？How many kilometre/s in 1 knot?
1 kn = 0.000514444444444 km/s（按国际定义系数）。1 kn = 0.000514444444444 km/s (international definition).
如何把节换算成千米/秒？How do I convert knot to kilometre/s?
结果 = 数值 × 0.000514444444444。例如 1 kn = 0.000514444444444 km/s。result = value × 0.000514444444444. Example: 1 kn = 0.000514444444444 km/s.
节/千米/秒属于哪类单位？What kind of units are knot/kilometre/s?
二者同属「速度」量纲，可安全互算；也可打开「speed-converter」做多单位对照。Both are speed units; see also the speed converter hub.
换算系数准确吗？Are the conversion factors exact?
「节 ↔ 千米/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 Knot to Kilometre/s uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「节 ↔ 千米/秒」免费吗？需要注册吗？Is the Knot to Kilometre/s free? Do I need an account?
「节 ↔ 千米/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 Knot to Kilometre/s is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.