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📦 立方英尺计算器Cubic Feet Calculator
按长、宽、高（可分别选择英寸、英尺、码、厘米、米）计算箱体、房间或圆柱体的体积，结果同时给出立方英尺、立方米、立方码、升和美制加仑，可输入件数求总体积。Calculate volume in cubic feet for a box, room or cylinder from its dimensions in inches, feet, yards, centimetres or metres, with cubic metres, cubic yards, litres and US gallons, and a count for the total.
使用说明与常见问题How-to & FAQ
「立方英尺计算器」是什么？What is the Cubic Feet Calculator tool?
按长、宽、高（可分别选择英寸、英尺、码、厘米、米）计算箱体、房间或圆柱体的体积，结果同时给出立方英尺、立方米、立方码、升和美制加仑，可输入件数求总体积。Calculate volume in cubic feet for a box, room or cylinder from its dimensions in inches, feet, yards, centimetres or metres, with cubic metres, cubic yards, litres and US gallons, and a count for the total.
如何使用「立方英尺计算器」？How do I use the Cubic Feet Calculator tool?
在「立方英尺计算器」中，填写「形状」、「长度」、「宽度」、「高度」、「单位」等参数，结果会随输入实时计算并显示在下方。In the Cubic Feet Calculator: Fill in "Shape", "Length", "Width", "Height", "Unit"; results are recalculated instantly as you type.
立方英尺怎么算？How do I calculate cubic feet?
把长、宽、高都换成英尺再相乘：例如 24 × 18 × 12 英寸的箱子 = 2 × 1.5 × 1 = 3 立方英尺。直接用英寸相乘时再除以 1,728。Convert every dimension to feet and multiply: a 24 × 18 × 12 in box is 2 × 1.5 × 1 = 3 ft³. If you multiply in inches, divide by 1,728.
1 立方英尺等于多少？What is one cubic foot?
1 ft³ = 0.028316846592 m³（精确值）≈ 28.317 升 ≈ 7.48 美制加仑。1 ft³ = 0.028316846592 m³ exactly ≈ 28.317 L ≈ 7.48 US gallons.
「立方英尺计算器」免费吗？需要注册吗？Is the Cubic Feet Calculator free? Do I need an account?
「立方英尺计算器」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 Cubic Feet Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.