🪨 密度换算器Density Converter
密度单位在线换算：kg/m³、g/cm³、g/mL、kg/L、t/m³、lb/ft³、lb/in³、oz/in³、lb/gal 等。Convert density units: kg/m³, g/cm³, g/mL, kg/L, t/m³, lb/ft³, lb/in³, oz/in³, lb/gal and more.
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
「密度换算器」是什么？What is the Density Converter tool?
密度单位在线换算：kg/m³、g/cm³、g/mL、kg/L、t/m³、lb/ft³、lb/in³、oz/in³、lb/gal 等。Convert density units: kg/m³, g/cm³, g/mL, kg/L, t/m³, lb/ft³, lb/in³, oz/in³, lb/gal and more.
如何使用「密度换算器」？How do I use the Density Converter tool?
在「密度换算器」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 Density Converter and choose the source unit; the table shows the value in every other unit at once, ready to copy.
水的密度是多少？What is the density of water?
常温下纯水约为 1 g/cm³ = 1000 kg/m³ = 1 kg/L，可作为换算的直观参考。At room temperature pure water is about 1 g/cm³ = 1000 kg/m³ = 1 kg/L, a handy reference.
换算系数准确吗？Are the conversion factors exact?
「密度换算器」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 Density Converter uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「密度换算器」免费吗？需要注册吗？Is the Density Converter free? Do I need an account?
「密度换算器」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 Density Converter is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.