📏 毫米 ↔ 分米Millimetre to Decimetre
毫米与分米互算（1 mm = 0.01 dm）。本地换算，附常用相关单位。Convert millimetre and decimetre (1 mm = 0.01 dm). 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
「毫米 ↔ 分米」是什么？What is the Millimetre to Decimetre tool?
毫米与分米互算（1 mm = 0.01 dm）。本地换算，附常用相关单位。Convert millimetre and decimetre (1 mm = 0.01 dm). Runs locally with related units.
如何使用「毫米 ↔ 分米」？How do I use the Millimetre to Decimetre tool?
在「毫米 ↔ 分米」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 Millimetre to Decimetre and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 毫米等于多少分米？How many decimetre in 1 millimetre?
1 mm = 0.01 dm（按国际定义系数）。1 mm = 0.01 dm (international definition).
如何把毫米换算成分米？How do I convert millimetre to decimetre?
结果 = 数值 × 0.01。例如 100 mm = 1 dm。result = value × 0.01. Example: 100 mm = 1 dm.
毫米/分米属于哪类单位？What kind of units are millimetre/decimetre?
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?
「毫米 ↔ 分米」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 Millimetre to Decimetre uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「毫米 ↔ 分米」免费吗？需要注册吗？Is the Millimetre to Decimetre free? Do I need an account?
「毫米 ↔ 分米」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 Millimetre to Decimetre is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.