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.
Convert industrial measures used for wires, screws, bolts and other objects to common units.
Retrieve detailed data on physical quantities and dimensionless quantities. Determine dimensionless combinations of physical quantities.
Associate physical quantities with the devices used to measure them.
Convert footwear and jewelry sizes to sizes used in other countries.
Estimate the number of objects needed to cover or fill a given region.