!!! Overview [{$pagename}] ([SI], abbreviated from the French Système international (d'unités)) is the modern form of the "metric" [Unit of measurement] system. [{$pagename}] is a coherent system of units of measurement starting with seven [SI Base Units] [{$pagename}] magnitudes of all SI units have been defined by declaring that seven [SI Defining Constants] have certain exact numerical values when expressed in terms of their SI units. !! [Standard] prefixes for the SI units of measure %%zebra-table %%sortable %%table-filter ||Prefix name|| ||[deca]||[hecto]||[kilo]||[mega]||[giga]||[tera]||[peta]||[exa]||[zetta]||[yotta] |Prefix symbol|| ||da|h|k|M|G|T|P|E|Z|Y |Factor|10%%sup 0%%|10%%sup 1%%|10%%sup 2%%|10%%sup 3%%|10%%sup 6%%|10%%sup 9%%|10%%sup 12%%|10%%sup 15%%|10%%sup 18%%|10%%sup 21%%|10%%sup 24%% /% /% /% !! Submultiples ||Prefix name||[deci]||[centi]||[milli]||[micro]||[nano]||[pico]||[femto]||[atto]||[zepto]||[yocto] |Prefix symbol||d|c|m|μ|n|p|f|a|z|y |Factor|10%%sup 0%%|10%%sup -1%%|10%%sup -2%%|10%%sup -3%%|10%%sup -6%%|10%%sup -9%%|10%%sup -12%%|10%%sup -15%%|10%%sup -18%%|10%%sup -21%%|10%%sup -24%% !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [SI_base_unit|Wikipedia:SI_base_unit|target='_blank'] - based on information obtained 2022-05-27