Common Units

Length, weight, volume, temperature, area, speed, pressure, energy and other everyday units.

14 tools

Length ConverterConvert between metric and imperial lengths — meters, feet, inches, miles and more.
Mass / Weight ConverterConvert kilograms, pounds, ounces, stones, tons and other units of mass.
Volume ConverterConvert liters, gallons, cups, fluid ounces, cubic meters and other volumes.
Temperature ConverterConvert Celsius, Fahrenheit, Kelvin and Rankine temperatures.
Area ConverterConvert square meters, square feet, acres, hectares and other areas.
Pressure ConverterConvert pascals, bar, PSI, atmospheres, mmHg and other pressure units.
Energy ConverterConvert joules, calories, kilowatt-hours, BTU, electronvolts and more.
Volume – Dry ConverterConvert dry volumes used for grain and produce — bushels, pecks, dry quarts and pints.
Power ConverterConvert watts, kilowatts, horsepower, BTU per hour and other power units.
Force ConverterConvert newtons, pound-force, kilogram-force, dynes and other force units.
Time ConverterConvert seconds, minutes, hours, days, weeks, months and years.
Speed ConverterConvert km/h, mph, meters per second, knots, Mach and other speeds.
Angle ConverterConvert degrees, radians, gradians, turns, arcminutes and arcseconds.
Frequency ConverterConvert hertz, kilohertz, megahertz, gigahertz and revolutions per minute.