🧴 加仑 ↔ 夸脱Gallon to Quart
美制加仑与夸脱互算（1 gal = 4 qt）。支持加仑、夸脱、品脱、升互算。US gallons ↔ quarts (1 gal = 4 qt). Units: gallon (US), quart (US), pint (US), litre.
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
「加仑 ↔ 夸脱」是什么？What is the Gallon to Quart tool?
美制加仑与夸脱互算（1 gal = 4 qt）。支持加仑、夸脱、品脱、升互算。US gallons ↔ quarts (1 gal = 4 qt). Units: gallon (US), quart (US), pint (US), litre.
如何使用「加仑 ↔ 夸脱」？How do I use the Gallon to Quart tool?
在「加仑 ↔ 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 Gallon to Quart and choose the source unit; the table shows the value in every other unit at once, ready to copy.
加仑和夸脱是什么关系？How do gallons and quarts relate?
1 美制加仑 = 4 夸脱，1 夸脱 = 2 品脱 ≈ 946 毫升。quart 本意就是四分之一加仑。1 US gallon = 4 quarts, and 1 quart = 2 pints ≈ 946 mL. The word quart means a quarter of a gallon.
1 加仑 等于多少其他单位？How much is 1 gallon (US) in the other units?
1 加仑 = 4 夸脱 = 8 品脱 = 3.785411784 升（按定义系数计算，最多保留 10 位有效数字）。本页不接受负数：输入负值会提示错误。1 gallon (US) = 4 quart (US) = 8 pint (US) = 3.785411784 litre (from the defined factors, up to 10 significant digits). Negative values are not accepted here and show an error.
有哪些选项可以调整？What options can I adjust?
「加仑 ↔ 夸脱」的设置：「数值」默认 1。每次生成结果都按当前设置处理。Settings in the Gallon to Quart — "Value" default 1. The result always uses the current settings.
换算系数准确吗？Are the conversion factors exact?
「加仑 ↔ 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 Gallon to Quart uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「加仑 ↔ 夸脱」免费吗？需要注册吗？Is the Gallon to Quart free? Do I need an account?
「加仑 ↔ 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 Gallon to 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.