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🪨 碎石用量计算器Gravel Calculator
按面积和铺设厚度计算碎石体积，并按密度换算成吨数（公吨和美吨）。Calculate gravel volume from area and depth, then its weight in metric tonnes and US tons using material density.
使用说明与常见问题How-to & FAQ
「碎石用量计算器」是什么？What is the Gravel Calculator tool?
按面积和铺设厚度计算碎石体积，并按密度换算成吨数（公吨和美吨）。Calculate gravel volume from area and depth, then its weight in metric tonnes and US tons using material density.
如何使用「碎石用量计算器」？How do I use the Gravel Calculator tool?
在「碎石用量计算器」中，填写「单位制」、「长度(英尺/米)」、「宽度(英尺/米)」、「厚度(英寸/厘米)」、「密度(吨/立方米)」等参数，结果会随输入实时计算并显示在下方。In the Gravel Calculator: Fill in "Units", "Length (ft / m)", "Width (ft / m)", "Depth (in / cm)", "Density (t/m³)"; results are recalculated instantly as you type.
碎石密度取多少？What density should I use?
常见碎石、砾石松散密度约 1.4–1.7 吨/立方米，默认 1.6；河卵石、石屑等不同材料请按供应商数据填写。Loose crushed stone or gravel is about 1.4–1.7 t/m³ (default 1.6); use your supplier's figure for pea gravel, crusher dust, etc.
「碎石用量计算器」免费吗？需要注册吗？Is the Gravel Calculator free? Do I need an account?
「碎石用量计算器」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 Gravel 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.