The International System of Units (SI) identifies "second" as the base unit for time. It is determined using radiation periods for the cesium 133 atom.
Continue ReadingDevelopment of international units started in the late 18th century. Each SI unit has been established in a distinct, consistent and often complicated way. The international unit of length is the meter, and mass is universally measured in kilograms. Electric currents are measured in amperes, and thermodynamic temperature is gauged using the unit kelvin. Moles are is used to calculate amounts of a substance, and the luminous intensity of a substance is measured in candela.
Learn more about MeasurementsThe International System of Units states that entropy has a unit of Joules/Kelvin. It always has the dimensions of energy divided by temperature and can be measured in a myriad of units as long as they fit that criteria.
Full Answer >Kilogram is the SI base unit for mass. It is equal to the mass of the international prototype of the kilogram, a platinum-iridium standard kept at the International Bureau of Weights and Measures. The symbol for kilogram is kg. SI units derived from it include grams, centigrams and milligrams.
Full Answer >The UL measurement is a symbol used by the International System of Units to represent a microliter. A microliter is a metric unit of measurement for liquid volume and is equal to 1/1,000,000 (one-millionth) of a liter.
Full Answer >There are supposed to be 1024 megabytes in a gigabyte, but manufacturers of computers and storage space round down to 1000 megabytes per gigabyte, since the prefix reflects the International System of Units. Because Windows adheres to the 1024 rule, 1 gigabyte storage devices appear to have 976 megabytes.
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