UnitConversion.org is quite the resource to easily convert between different units of measurement. It has over 2100 units in 78 categories, which range from those that are common, such as, length, weight, volume, currency, velocity, and pressure, to more specialized categories like magnetic flux density, electrostatic capacitance, and surface tension.
posted by netbros on Jun 11, 2009 - 27 comments

"Help - i have my eye stuck in a Geodetic Tape Measuring Facility!" archive pictures of a 'hundred years of measurement' at the UK's National Physical Labs - lots of fun pictures that look like Q's Lab from the Bond movies - those big water tanks they always test the supertankers in, huge computers attended to by ladies in white coats...
posted by blackbeltjones on Nov 30, 2000 - 3 comments