单位与测量
Wolfram|Alpha finds and converts values for a wide variety of units, measures and scales. Find information and convert between standard industrial measures, scales used in science and everyday life and many others.
Examine unit values and conversions between different units.
Get information about and conversions for a unit:
Get unit conversions for a quantity:
转换为指定单位
对单位进行计算
比较两个定量
Convert industrial measures used for wires, screws, bolts and other objects to common units.
获取某线规的信息
获取某螺钉或螺栓的尺寸
Compute the volume of paint required to cover an area:
Retrieve detailed data on physical quantities and dimensionless quantities. Determine dimensionless combinations of physical quantities.
Get information about a physical quantity:
Compare physical quantities:
Compute a dimensionless quantity:
Get information about a theorem in dimensional analysis:
Associate physical quantities with the devices used to measure them.
了解如何测量不同的物理属性
了解不同仪器测量的内容
Convert footwear and jewelry sizes to sizes used in other countries.
计算指定戒指码数的等量尺寸
Convert ring size to a specified system:
计算指定鞋码的等量尺寸
Convert shoe size to a specified system:
相关示例
Estimate the number of objects needed to cover or fill a given region.