🧴 加仑 ↔ 杯Gallons to Cups Converter
美制加仑与美制杯互算。支持加仑、杯、夸脱、升互算。US gallons ↔ US cups. Units: gallon (US), cup (US), quart (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 ↔ 杯」是什么？What is the Gallons to Cups Converter tool?
美制加仑与美制杯互算。支持加仑、杯、夸脱、升互算。US gallons ↔ US cups. Units: gallon (US), cup (US), quart (US), litre.
如何使用「加仑 ↔ 杯」？How do I use the Gallons to Cups Converter tool?
在「加仑 ↔ 杯」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 Gallons to Cups Converter and choose the source unit; the table shows the value in every other unit at once, ready to copy.
可以用英制加仑吗？Can I use imperial gallons?
本页用美制：1 美制加仑 = 16 美制杯 ≈ 3.785 升。英制加仑约 4.546 升，是美制的约 1.2 倍；如果是英制，请先换算成升再转换。This page uses US measures: 1 US gallon = 16 US cups ≈ 3.785 L. An imperial gallon is about 4.546 L, roughly 1.2 times larger; convert imperial amounts to litres first.
1 加仑 等于多少其他单位？How much is 1 gallon (US) in the other units?
1 加仑 = 16 杯 = 4 夸脱 = 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) = 16 cup (US) = 4 quart (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 ↔ 杯」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 Gallons to Cups Converter — "Value" default 1. The result always uses the current settings.
换算系数准确吗？Are the conversion factors exact?
「加仑 ↔ 杯」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 Gallons to Cups Converter uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「加仑 ↔ 杯」免费吗？需要注册吗？Is the Gallons to Cups Converter free? Do I need an account?
「加仑 ↔ 杯」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 Gallons to Cups 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.