🧊 体积计算器Volume Calculator
计算立方体、长方体、球体、圆柱、圆锥、棱锥的体积和表面积。Calculate volume and surface area of cube, box, sphere, cylinder, cone and pyramid.
使用说明与常见问题How-to & FAQ
「体积计算器」是什么？What is the Volume Calculator?
计算立方体、长方体、球体、圆柱、圆锥、棱锥的体积和表面积。Calculate volume and surface area of cube, box, sphere, cylinder, cone and pyramid.
如何使用「体积计算器」？How do I use the Volume Calculator?
在「体积计算器」中，填写「形状」、「a」、「b」、「c」等参数，结果会随输入实时计算并显示在下方。In the Volume Calculator: Fill in "Shape", "a", "b", "c"; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「体积计算器」使用 JavaScript 双精度浮点数（约 15–16 位有效数字）；极大或极小的数值可能存在精度误差。The Volume Calculator uses double-precision floating point (about 15–16 significant digits); very large or very small values may lose precision.
「体积计算器」免费吗？需要注册吗？Is the Volume Calculator free? Do I need an account?
「体积计算器」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 Volume 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.