Converter-Common Units Convert

A unit converter for metric and imperial measurements. Convert length, weight, temperature, volume, speed, and more. Enter a number and every unit in that category updates together. Categories • Length: kilometer, meter, mile, yard, foot, inch • Mass: kilogram, gram, pound, ounce, stone • Temperature: Celsius, Fahrenheit, Kelvin, and other scales • Volume: liter, milliliter, gallon, cup, tablespoon, teaspoon (US and UK) • Area: square meter, acre, square foot, square mile • Speed: meter per second, km/h, mph, knot • Pressure: pascal, bar, psi, atmosphere • Energy: joule, calorie, kilowatt hour, BTU • Power: watt, kilowatt, horsepower • Digital storage: bit and byte through yottabyte • Data rate: bit per second through terabyte per second • Time, angle, frequency, and sound, including decibels • Numeral systems: binary, octal, decimal, and hexadecimal Decimal places • Choose 0 to 5 decimal places • Round off, round down, or round up Appearance and language • Light, dark, or follow the system • English, Traditional Chinese, and Simplified Chinese Conversions run on your device and work offline. No account required.