Length and Distance Conversion
meter, kilometer, decimeter, centimeter, millimeter, micron, league, mile, fathom, yard, foot, inch, microinch, caliber, megameter (and others)
Weight and Mass Conversion
kilogram, gram, kilopound, slug, pound, ounce, quintal, stone, tonne, pennyweight, carat, grain, talent, mina, Planck mass (and others)
Temperature Conversion
kelvin, degree Celsius, degree Fahrenheit, degree Rankine, degree Reaumur, Triple point of water
Pressure Conversion
pascal, bar, pound-force/square inch, torr, atmosphere technical, Standard atmosphere, gigapascal, megapascal, hectopascal (and others)
Power Conversion
watt, exawatt, petawatt, terawatt, gigawatt, megawatt, kilowatt, hectowatt, dekawatt, deciwatt, centiwatt, milliwatt, microwatt (and others)
Specific Volume Conversion
cubic meter/kilogram, cubic centimeter/gram, liter/kilogram, liter/gram, cubic foot/kilogram, cubic foot/pound, gallon/pound (and others)
Flow Mass Conversion
kilogram/second, gram/second, gram/minute, gram/hour, gram/day, milligram/minute, milligram/hour, milligram/day, kilogram/minute (and others)
Prefix Conversion
yotta, zetta, exa, peta, tera, giga, mega, kilo, hecto, deka, deci, centi, milli, micro, nano, pico, femto, atto, zepto (and others)