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EspañolSI DERIVED UNIT
'SI derived units' are part of the SI system of measurement units and are derived from the seven SI base units.
The following SI units are actually dimensionless ratios, formed by dividing two identical SI units. They are therefore considered by the BIPM to be derived. Formally, their SI unit is simply the number 1, but they are given these special names, for use whenever the lack of a unit might be confusing.
Base units can be put together to derive units of measurement for other quantities. Some have been given names.
★ SI
★ SI base unit
★ SI prefix
★ Planck units
★ I. Mills, Tomislav Cvitas, Klaus Homann, Nikola Kallay, IUPAC: ''Quantities, Units and Symbols in Physical Chemistry'', 2nd edition (June 1993), Blackwell Science Inc (p. 72)
| Contents |
| Dimensionless derived units |
| Derived units with special names |
| Other quantities and units |
| See also |
| References |
Dimensionless derived units
The following SI units are actually dimensionless ratios, formed by dividing two identical SI units. They are therefore considered by the BIPM to be derived. Formally, their SI unit is simply the number 1, but they are given these special names, for use whenever the lack of a unit might be confusing.
Derived units with special names
Base units can be put together to derive units of measurement for other quantities. Some have been given names.
Other quantities and units
See also
★ SI
★ SI base unit
★ SI prefix
★ Planck units
References
★ I. Mills, Tomislav Cvitas, Klaus Homann, Nikola Kallay, IUPAC: ''Quantities, Units and Symbols in Physical Chemistry'', 2nd edition (June 1993), Blackwell Science Inc (p. 72)
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