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List Of Conversion Factors
This article gives a list of conversion factors for several physical quantities. A number of different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit. Conversions between units in the metric system are defined by their SI prefix, prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10−6 metre). Within each table, the units are listed alphabetically, and the SI units (base or derived) are highlighted. The following quantities are considered: length, area, volume, plane angle, solid angle, mass, density, time, frequency, velocity, volumetric flow rate, acceleration, force, pressure (or mechanical stress), torque (or moment of force), energy, power (physics), power (or heat flow rate), action (physics), action, dynamic viscosity, kinematic viscosity, electric curre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conversion Factors
Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property. Unit conversion is often easier within a metric system such as the International System of Units, SI than in others, due to the system's Coherence (units of measurement), coherence and its metric prefixes that act as power-of-10 multipliers. Overview The definition and choice of units in which to express a quantity may depend on the specific situation and the intended purpose. This may be governed by regulation, contract, technical specifications or other published technical standard, standards. Engineering judgment may include such factors as: * the precision and accuracy of measurement and the associated uncertainty of measurement * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |