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🪵 板英尺计算器Board Foot Calculator
按厚度、宽度、长度和数量计算木材板英尺（BF）数和总价，并换算为立方米。Calculate lumber board feet from thickness, width, length and quantity, with total cost and cubic meters.
使用说明与常见问题How-to & FAQ
「板英尺计算器」是什么？What is the Board Foot Calculator tool?
按厚度、宽度、长度和数量计算木材板英尺（BF）数和总价，并换算为立方米。Calculate lumber board feet from thickness, width, length and quantity, with total cost and cubic meters.
如何使用「板英尺计算器」？How do I use the Board Foot Calculator tool?
在「板英尺计算器」中，填写「厚度(英寸)」、「宽度(英寸)」、「长度」、「长度单位」、「数量」等参数，结果会随输入实时计算并显示在下方。In the Board Foot Calculator: Fill in "Thickness (in)", "Width (in)", "Length", "Length unit", "Quantity"; results are recalculated instantly as you type.
板英尺怎么定义？What is a board foot?
1 板英尺 = 1 英寸 × 12 英寸 × 12 英寸 = 144 立方英寸 ≈ 0.00236 立方米。One board foot is 1 in × 12 in × 12 in = 144 cubic inches ≈ 0.00236 m³.
用公称尺寸还是实际尺寸？Nominal or actual size?
硬木通常按毛料实际厚度计（如 4/4 = 1 英寸）；针叶材 2×4 等按公称尺寸计价，以商家规则为准。Hardwood is usually measured rough (4/4 = 1 in); softwood like 2×4 is priced by nominal size. Follow your supplier's convention.
「板英尺计算器」免费吗？需要注册吗？Is the Board Foot Calculator free? Do I need an account?
「板英尺计算器」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 Board Foot 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.