🌡️ 英寸汞柱 ↔ 标准大气压Inch of mercury to Atmosphere
英寸汞柱与标准大气压互算（1 inHg = 0.0334210609425 atm）。本地换算，附常用相关单位。Convert inch of mercury and atmosphere (1 inHg = 0.0334210609425 atm). 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
「英寸汞柱 ↔ 标准大气压」是什么？What is the Inch of mercury to Atmosphere tool?
英寸汞柱与标准大气压互算（1 inHg = 0.0334210609425 atm）。本地换算，附常用相关单位。Convert inch of mercury and atmosphere (1 inHg = 0.0334210609425 atm). Runs locally with related units.
如何使用「英寸汞柱 ↔ 标准大气压」？How do I use the Inch of mercury to Atmosphere tool?
在「英寸汞柱 ↔ 标准大气压」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 Inch of mercury to Atmosphere and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 英寸汞柱等于多少标准大气压？How many atmosphere in 1 inch of mercury?
1 inHg = 0.0334210609425 atm（按国际定义系数）。1 inHg = 0.0334210609425 atm (international definition).
如何把英寸汞柱换算成标准大气压？How do I convert inch of mercury to atmosphere?
结果 = 数值 × 0.0334210609425。例如 1 inHg = 0.0334210609425 atm。result = value × 0.0334210609425. Example: 1 inHg = 0.0334210609425 atm.
英寸汞柱/标准大气压属于哪类单位？What kind of units are inch of mercury/atmosphere?
二者同属「压力」量纲，可安全互算；也可打开「pressure-converter」做多单位对照。Both are pressure units; see also the pressure converter hub.
换算系数准确吗？Are the conversion factors exact?
「英寸汞柱 ↔ 标准大气压」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 Inch of mercury to Atmosphere uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「英寸汞柱 ↔ 标准大气压」免费吗？需要注册吗？Is the Inch of mercury to Atmosphere free? Do I need an account?
「英寸汞柱 ↔ 标准大气压」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 Inch of mercury to Atmosphere is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.