🧴 杯 ↔ 加仑Cups to Gallons Converter

使用说明与常见问题How-to & FAQ

「杯 ↔ 加仑」是什么？What is the Cups to Gallons Converter tool?

美制杯与美制加仑互算（1 gal = 16 cup）。支持杯、加仑、品脱、升互算。US cups ↔ US gallons (1 gal = 16 cups). Units: cup (US), gallon (US), pint (US), litre.

如何使用「杯 ↔ 加仑」？How do I use the Cups to Gallons Converter tool?

在「杯 ↔ 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 Cups to Gallons Converter and choose the source unit; the table shows the value in every other unit at once, ready to copy.

用的是美制还是英制？US or imperial measures?

美制：1 美制加仑 = 16 美制杯 = 4 夸脱 ≈ 3.785 升，1 美制杯 ≈ 236.6 毫升。英制加仑（约 4.546 升）更大，不能直接混用。US measures: 1 US gallon = 16 US cups = 4 quarts ≈ 3.785 L, and 1 US cup ≈ 236.6 mL. The imperial gallon (about 4.546 L) is larger, so do not mix them.

1 杯 等于多少其他单位？How much is 1 cup (US) in the other units?

1 杯 = 0.0625 加仑 = 0.5 品脱 = 0.2365882365 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 cup (US) = 0.0625 gallon (US) = 0.5 pint (US) = 0.2365882365 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?

「杯 ↔ 加仑」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 Cups to Gallons Converter — "Value" default 1. The result always uses the current settings.

换算系数准确吗？Are the conversion factors exact?

「杯 ↔ 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 Cups to Gallons Converter uses factors defined by the SI or other recognised standards and shows about 10 significant digits.

「杯 ↔ 加仑」免费吗？需要注册吗？Is the Cups to Gallons Converter free? Do I need an account?

「杯 ↔ 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 Cups to Gallons 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.