🥛 杯（美） ↔ 夸脱US cup to US quart
杯（美）与夸脱互算（1 cup = 0.25 qt）。本地换算，附常用相关单位。Convert US cup and US quart (1 cup = 0.25 qt). 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
「杯（美） ↔ 夸脱」是什么？What is the US cup to US quart tool?
杯（美）与夸脱互算（1 cup = 0.25 qt）。本地换算，附常用相关单位。Convert US cup and US quart (1 cup = 0.25 qt). Runs locally with related units.
如何使用「杯（美） ↔ 夸脱」？How do I use the US cup to US quart tool?
在「杯（美） ↔ 夸脱」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 US cup to US quart and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 杯（美）等于多少夸脱？How many US quart in 1 US cup?
1 cup = 0.25 qt（按国际定义系数）。1 cup = 0.25 qt (international definition).
如何把杯（美）换算成夸脱？How do I convert US cup to US quart?
结果 = 数值 × 0.25。例如 4 cup = 1 qt。result = value × 0.25. Example: 4 cup = 1 qt.
杯（美）/夸脱属于哪类单位？What kind of units are US cup/US quart?
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?
「杯（美） ↔ 夸脱」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 US cup to US quart uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「杯（美） ↔ 夸脱」免费吗？需要注册吗？Is the US cup to US quart free? Do I need an account?
「杯（美） ↔ 夸脱」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 US cup to US quart is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.