Converters & Units
Free online unit converters: length, weight, temperature, area, volume, speed, height and data storage, with exact conversion factors.
Convert between metric and imperial units in a click: length, weight and mass, temperature, area, volume, speed, height, and data storage sizes.
Conversions use exact or standard factors, results appear instantly, and everything runs in your browser.
Area Converter
Converters & Units
Convert between square millimeters, square centimeters, square meters, square kilometers, square feet, square yards,…
Data Storage Converter
Converters & Units
Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes — decimal (KB/MB/GB, what storage drives…
Height Converter
Converters & Units
Convert height between feet & inches and centimeters, entered the way people actually measure…
Length Converter
Converters & Units
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles — instantly, in…
Speed Converter
Converters & Units
Convert between meters per second, kilometers per hour, miles per hour, and knots —…
Temperature Converter
Converters & Units
Convert between Celsius, Fahrenheit, and Kelvin, with the formula shown — instantly, in your…
Volume Converter
Converters & Units
Convert between milliliters, liters, teaspoons, tablespoons, cups, pints, quarts, and gallons — instantly, in…
Weight/Mass Converter
Converters & Units
Convert between milligrams, grams, kilograms, metric tons, ounces, and pounds — instantly, in your…
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Frequently asked questions
Are US and UK measures different?
For some units, yes. US and UK cups, pints and gallons differ, so check which system your source uses.
Why does my drive show less space than advertised?
Manufacturers count in decimal units while some systems display binary units. The Data Storage Converter shows the decimal values.
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