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The first group of metric units are those that are at present defined as units within the International System of Units (SI). In its most restrictive interpretation, this is what may be meant when the term metric unit is used. The unit one (1) is the unit of a quantity of dimension one. It is the neutral element of any system of units. [2]
The base unit in the International System of Units (SI) is the meter, defined as "the length of the path travelled by light in vacuum during a time interval of 1 ⁄ 299792458 seconds." [ 9 ] It is approximately equal to 1.0936 yd .
List of humorous units of measurement; List of unusual units of measurement; List of obsolete units of measurement; List of measuring instruments; List of nautical units of measurement; List of scientific units named after people; List of international units; List of SI electromagnetism units
Arc distances on a great circle are the same as the distance between the same points on a sphere, and on the hemispheres into which the circle divides the sphere.. The Riemannian unit circle of length 2 π can be embedded, without any change of distance, into the metric of geodesics on a unit sphere, by mapping the circle to a great circle and its metric to great-circle distance.
Unit system Domain Derivation Unit name Unit symbol Dimension symbol Quantity name Definition In SI base units In other SI units SI: Physics: Basic: second [n 1] s: T: time: The duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. s: SI ...
Download QR code; Print/export ... Units of length (1 C, 149 P) Units of level (14 P) ... List of unusual units of measurement; V. Vitasti; W.
The SI comprises a coherent system of units of measurement starting with seven base units, which are the second (symbol s, the unit of time), metre (m, length), kilogram (kg, mass), ampere (A, electric current), kelvin (K, thermodynamic temperature), mole (mol, amount of substance), and candela (cd, luminous intensity). The system can ...
Pages in category "Lists of units of measurement" The following 7 pages are in this category, out of 7 total. ... Code of Conduct; Developers; Statistics;