Unit Converter
Convert between common units of length, mass, volume and area.
About these conversions
Length / Dimensions covers everyday distance and size units from millimetres up to miles, useful for anything from furniture dimensions to travel distances.
Mass covers weight units from milligrams to metric tonnes, as well as imperial ounces and pounds.
Volume covers metric units such as millilitres, litres and cubic metres, alongside US customary units such as cups, pints, quarts and gallons.
Area covers metric units from square millimetres up to square kilometres and hectares, alongside imperial units such as square feet, acres and square miles.
All conversions use fixed, standard conversion factors and are calculated instantly on the server when you press Convert.