Unit of measurement
(Redirected from Weights and measures)
Unit of Measurement
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement.
History[edit | edit source]
The use of units of measurement have played a crucial role in human endeavour from early ages up to the present. A multitude of systems of units used to be very common. Now there is a global standard, the International System of Units (SI), the modern form of the metric system.
Systems of Units[edit | edit source]
There are seven base units in the SI system: the metre, kilogram, second, ampere, kelvin, mole, and candela. They form a set of mutually independent dimensions as required by dimensional analysis commonly employed in science and engineering.
Conversion of Units[edit | edit source]
Conversion of units involves comparison of different standard physical values, either of a single physical quantity or of a physical quantity and a combination of other physical quantities.
See Also[edit | edit source]
- International System of Units
- Imperial units
- United States customary units
- Conversion of units
- Orders of magnitude (units)
References[edit | edit source]
External Links[edit | edit source]
| Unit of measurement Resources | |
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