Examine unit values and conversions between different units.
Get information about and conversions for a unit:
Get unit conversions for a quantity:
Convert to a specified unit:
Do a calculation with units:
Compare two quantities:
Associate physical quantities with the devices used to measure them.
Discover how to measure different physical properties:
Discover what different devices measure:
Convert industrial measures used for wires, screws, bolts and other objects to common units.
Get information about a wire gauge:
Get dimensions of a screw or bolt:
Compute the volume of paint required to cover an area:
Convert footwear and jewelry sizes to sizes used in other countries.
Compute ring size equivalents:
Convert ring size to a specified system:
Compute shoe size equivalents:
Convert shoe size to a specified system:
Estimate the number of objects needed to cover or fill a given region.
Estimate the number of objects required to fill a container:
Estimate the number of objects required to cover a specified area:
Estimate the number of objects required to circle another object:
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: