🧴 升 ↔ 毫升Litre to Millilitre
升与毫升互算（1 L = 1000 ml）。本地换算，附常用相关单位。Convert litre and millilitre (1 L = 1000 ml). 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
「升 ↔ 毫升」是什么？What is the Litre to Millilitre tool?
升与毫升互算（1 L = 1000 ml）。本地换算，附常用相关单位。Convert litre and millilitre (1 L = 1000 ml). Runs locally with related units.
如何使用「升 ↔ 毫升」？How do I use the Litre to Millilitre tool?
在「升 ↔ 毫升」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 Litre to Millilitre and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 升等于多少毫升？How many millilitre in 1 litre?
1 L = 1000 ml（按国际定义系数）。1 L = 1000 ml (international definition).
如何把升换算成毫升？How do I convert litre to millilitre?
结果 = 数值 × 1000。例如 1 L = 1000 ml。result = value × 1000. Example: 1 L = 1000 ml.
升/毫升属于哪类单位？What kind of units are litre/millilitre?
二者同属「体积」量纲，可安全互算；也可打开「volume-converter」做多单位对照。Both are volume units; see also the volume converter hub.
换算系数准确吗？Are the conversion factors exact?
「升 ↔ 毫升」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 Litre to Millilitre uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「升 ↔ 毫升」免费吗？需要注册吗？Is the Litre to Millilitre free? Do I need an account?
「升 ↔ 毫升」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 Litre to Millilitre is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.