📦 立体 ↔ 美制加仑Stere to US gallon
立体与美制加仑互算（1 st = 264.172052358 gal）。本地换算，附常用相关单位。Convert stere and US gallon (1 st = 264.172052358 gal). 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
「立体 ↔ 美制加仑」是什么？What is the Stere to US gallon tool?
立体与美制加仑互算（1 st = 264.172052358 gal）。本地换算，附常用相关单位。Convert stere and US gallon (1 st = 264.172052358 gal). Runs locally with related units.
如何使用「立体 ↔ 美制加仑」？How do I use the Stere to US gallon tool?
在「立体 ↔ 美制加仑」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 Stere to US gallon and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 立体等于多少美制加仑？How many US gallon in 1 stere?
1 st = 264.172052358 gal（按国际定义系数）。1 st = 264.172052358 gal (international definition).
如何把立体换算成美制加仑？How do I convert stere to US gallon?
结果 = 数值 × 264.172052358。例如 1 st = 264.172052358 gal。result = value × 264.172052358. Example: 1 st = 264.172052358 gal.
立体/美制加仑属于哪类单位？What kind of units are stere/US gallon?
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?
「立体 ↔ 美制加仑」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 Stere to US gallon uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「立体 ↔ 美制加仑」免费吗？需要注册吗？Is the Stere to US gallon free? Do I need an account?
「立体 ↔ 美制加仑」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 Stere to US gallon is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.