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🪵 胶合板/板材用量计算器Plywood Sheet Calculator
根据要覆盖的面积和单张板材尺寸，计算需要多少张胶合板（或 OSB、石膏板等板材）：含损耗余量，向上取整为整张。支持英制（ft）和公制（m），并给出总面积和总价。Work out how many sheets of plywood (or OSB, drywall and similar) you need to cover an area — including a waste allowance and rounded up to whole sheets. Works in feet or metres and gives the total area and cost.
使用说明与常见问题How-to & FAQ
「胶合板/板材用量计算器」是什么？What is the Plywood Sheet Calculator tool?
根据要覆盖的面积和单张板材尺寸，计算需要多少张胶合板（或 OSB、石膏板等板材）：含损耗余量，向上取整为整张。支持英制（ft）和公制（m），并给出总面积和总价。Work out how many sheets of plywood (or OSB, drywall and similar) you need to cover an area — including a waste allowance and rounded up to whole sheets. Works in feet or metres and gives the total area and cost.
如何使用「胶合板/板材用量计算器」？How do I use the Plywood Sheet Calculator tool?
在「胶合板/板材用量计算器」中，填写「单位」、「覆盖区域宽」、「覆盖区域长」、「单张板宽」、「单张板长」等参数，结果会随输入实时计算并显示在下方。In the Plywood Sheet Calculator: Fill in "Units", "Area width", "Area length", "Sheet width", "Sheet length"; results are recalculated instantly as you type.
需要多少张板材是怎么算的？How is the number of sheets calculated?
先算覆盖面积（宽 × 长）和单张板面积（板宽 × 板长），把覆盖面积乘以 (1 + 损耗%) 后除以单张面积，再向上取整为整张。标准胶合板为 4 ft × 8 ft（约 1.22 m × 2.44 m）。It computes the area (width × length) and the area of one sheet (sheet width × length), multiplies the area by (1 + waste%), divides by the sheet area and rounds up to whole sheets. A standard sheet is 4 ft × 8 ft (about 1.22 m × 2.44 m).
为什么要加损耗余量？Why add a waste allowance?
裁切、拼缝、门窗开口和废料会浪费一部分板材，通常预留 10% 左右；形状复杂或开口多时可加到 15%–20%。Cutting, seams, door and window openings and offcuts waste some material, so around 10% is usually added; raise it to 15%–20% for complex shapes or many openings.
它考虑排版和裁切吗？Does it account for layout and cutting?
不考虑。它只按总面积估算张数，不做具体排版；实际铺装时某些尺寸会产生更多边角料，建议向上多备一两张。No. It estimates by total area only and does not plan the layout; some dimensions produce more offcuts in practice, so keep an extra sheet or two in hand.
能用于石膏板或 OSB 吗？Can I use it for drywall or OSB?
可以。任何按整张销售的板材都适用，只要填入对应的单张尺寸即可，例如石膏板常见 4 ft × 8 ft 或 4 ft × 12 ft。Yes. It works for any sheet material sold in whole sheets — just enter the right sheet size, for example drywall at 4 ft × 8 ft or 4 ft × 12 ft.
「胶合板/板材用量计算器」免费吗？需要注册吗？Is the Plywood Sheet Calculator free? Do I need an account?
「胶合板/板材用量计算器」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 Plywood Sheet 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.