Units & Measures
get information and conversions for a unit
get unit conversions for a quantity
convert to a specified unit
do a calculation with units
compare two quantities
discover how to measure different physical properties
discover what different devices measure
get information about a wire gauge
get dimensions of a screw or bolt
compute volume of paint required to cover an area
convert a specific material hardness to various other systems
convert a material hardness number into a specific system
get data on a computer display format
get dimensions of a paper format
compare photo sizes
compute ring size equivalents
convert ring size to a specified system
compute shoe size equivalents
convert shoe size to a specified system
get information about a car or light truck tire size
get information about a bicycle tire size
get temperature and other data for a gas mark
convert gas mark temperatures to specified units
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