🔵 海王星半径 ↔ 容米Neptune equatorial radius to Ronnametre
海王星半径与容米互算（1 R♆ = 2.4764e-20 Rm）。本地换算，附常用相关单位。Convert Neptune equatorial radius and ronnametre (1 R♆ = 2.4764e-20 Rm). 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
「海王星半径 ↔ 容米」是什么？What is the Neptune equatorial radius to Ronnametre tool?
海王星半径与容米互算（1 R♆ = 2.4764e-20 Rm）。本地换算，附常用相关单位。Convert Neptune equatorial radius and ronnametre (1 R♆ = 2.4764e-20 Rm). Runs locally with related units.
如何使用「海王星半径 ↔ 容米」？How do I use the Neptune equatorial radius to Ronnametre tool?
在「海王星半径 ↔ 容米」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 Neptune equatorial radius to Ronnametre and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 海王星半径等于多少容米？How many ronnametre in 1 Neptune equatorial radius?
1 R♆ = 2.4764e-20 Rm（按国际定义系数）。1 R♆ = 2.4764e-20 Rm (international definition).
如何把海王星半径换算成容米？How do I convert Neptune equatorial radius to ronnametre?
结果 = 数值 × 2.4764e-20。例如 4.038119851e+19 R♆ = 0.9999999999 Rm。result = value × 2.4764e-20. Example: 4.038119851e+19 R♆ = 0.9999999999 Rm.
海王星半径/容米属于哪类单位？What kind of units are Neptune equatorial radius/ronnametre?
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?
「海王星半径 ↔ 容米」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 Neptune equatorial radius to Ronnametre uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「海王星半径 ↔ 容米」免费吗？需要注册吗？Is the Neptune equatorial radius to Ronnametre free? Do I need an account?
「海王星半径 ↔ 容米」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 Neptune equatorial radius to Ronnametre is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.