🟩 平方十米 ↔ 榻榻米（江户）Square decametre to Tatami (Edo)
平方十米与榻榻米（江户）互算（1 dam² = 61.72839506 tatami Edo）。本地换算，附常用相关单位。Convert square decametre and tatami (Edo) (1 dam² = 61.72839506 tatami Edo). 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
「平方十米 ↔ 榻榻米（江户）」是什么？What is the Square decametre to Tatami (Edo) tool?
平方十米与榻榻米（江户）互算（1 dam² = 61.72839506 tatami Edo）。本地换算，附常用相关单位。Convert square decametre and tatami (Edo) (1 dam² = 61.72839506 tatami Edo). Runs locally with related units.
如何使用「平方十米 ↔ 榻榻米（江户）」？How do I use the Square decametre to Tatami (Edo) tool?
在「平方十米 ↔ 榻榻米（江户）」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 Square decametre to Tatami (Edo) and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 平方十米等于多少榻榻米（江户）？How many tatami (Edo) in 1 square decametre?
1 dam² = 61.72839506 tatami Edo（按国际定义系数）。1 dam² = 61.72839506 tatami Edo (international definition).
如何把平方十米换算成榻榻米（江户）？How do I convert square decametre to tatami (Edo)?
结果 = 数值 × 61.72839506。例如 1 dam² = 61.72839506 tatami Edo。result = value × 61.72839506. Example: 1 dam² = 61.72839506 tatami Edo.
平方十米/榻榻米（江户）属于哪类单位？What kind of units are square decametre/tatami (Edo)?
二者同属「面积」量纲，可安全互算；也可打开「area-converter」做多单位对照。Both are area units; see also the area converter hub.
换算系数准确吗？Are the conversion factors exact?
「平方十米 ↔ 榻榻米（江户）」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 Square decametre to Tatami (Edo) uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「平方十米 ↔ 榻榻米（江户）」免费吗？需要注册吗？Is the Square decametre to Tatami (Edo) free? Do I need an account?
「平方十米 ↔ 榻榻米（江户）」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 Square decametre to Tatami (Edo) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.