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Toggle the table of contents. Template: SI prefixes (infobox) ... Download as PDF; Printable version; In other projects Wikidata item;
Engineering notation or engineering form (also technical notation) is a version of scientific notation in which the exponent of ten is always selected to be divisible by three to match the common metric prefixes, i.e. scientific notation that aligns with powers of a thousand, for example, 531×10 3 instead of 5.31×10 5 (but on calculator displays written without the ×10 to save space).
Metric prefixes have also been used with some non-metric units. The SI prefixes are metric prefixes that were standardised for use in the International System of Units (SI) by the International Bureau of Weights and Measures (BIPM) in resolutions dating from 1960 to 2022. [1] [2] Since 2009, they have formed part of the ISO/IEC 80000 standard.
[[Category:SI prefix templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:SI prefix templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
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Prefix name N/A deca hecto kilo mega giga tera peta exa zetta yotta ronna quetta; Prefix symbol da h k M G T P E Z Y R Q Factor 10 0: 10 1: 10 2: 10 3: 10 6: 10 9: 10 12: 10 15: 10 18: 10 21: 10 24: 10 27: 10 30
The SI provides twenty-four metric prefixes that signify decimal powers ranging from 10 −30 to 10 30, the most recent being adopted in 2022. [ 1 ] : 143–144 [ 7 ] [ 8 ] [ 9 ] Most prefixes correspond to integer powers of 1000; the only ones that do not are those for 10, 1/10, 100, and 1/100.
The template common metric prefixes creates an infobox that lists the most commonly used metric prefixes. The list is a subset of the list in the 8th edition of the official brochure of the BIPM (SI units and prefixes).