几何计算器
常见图形的面积、周长、表面积和体积。
在您的浏览器中运行。您的文件不会离开设备。 了解如何验证
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使用方法
- 1填写各项
输入数字或选择所需选项。
- 2查看结果
更改任何值时，答案会立即更新。
- 3使用结果
复制结果或记下来。不会向任何地方发送任何内容。
About this tool
Choose a shape and enter its measurements. The calculator gives the area and perimeter of flat shapes, and the surface area and volume of solids. Use the same unit for every measurement; the answer is in that unit squared or cubed.
When to use it
Area, perimeter, surface area and volume of common shapes.
Tips
Use the same unit for all measurements.
Privacy
Everything runs in your browser, so your data is not uploaded or stored.
Formulas
Circle area is pi r squared, circumference 2 pi r. Triangle area is half base times height. Sphere volume is 4/3 pi r cubed and cylinder volume is pi r squared h.
计算示例
With the boxes at their starting values (Shape: Circle; Radius: 5; Length: 6; Width: 4; Side: 5; Base (or first parallel side): 6), the tool shows: Circumference: 31.4159; Diameter: 10; Area: 78.5398. Change any box to see your own numbers. The result updates as you type, and nothing leaves your browser.
获得最佳结果的提示
在相信结果之前先检查每一个输入项，因为一个错误的数字就会改变整个答案。请使用工资单、账单、证书或合同上的准确数字，并记下计算日期。税率、门槛和规则会不时变化，因此对于税费和法律事务，请将结果视为估算，并与本页注明的官方来源核对。您可以尝试任意多个方案；不会保存或发送任何内容，刷新页面会清空输入。
要点
- 分类: 日常工具
- 在浏览器中运行，无需注册，无需上传。
- 您输入的信息保留在设备上。
- 提供多种语言。
- 内容最后审核日期:
常见问题
Which shapes are included?
Circle, rectangle, square, triangle, trapezoid, sphere, cylinder, cone and cube.
What units should I use?
Any, as long as you use the same one for all values. The area is in square units and the volume in cubic units.
Which shapes are included?
Circle, rectangle, triangle, sphere, cylinder, cone and more.
Are formulas shown?
Yes, the formula is shown for each result.
Which unit does it use?
Whatever unit you enter. Areas come out in that unit squared.