Tuna: Porovnání verzí

'''Tuna''' ([[soustava SI|SI]]&nbsp;symbol:&nbsp;'''t''') také '''metrická tuna''', je jednotka [[hmotnost]]i. Je vedlejší jednotkou [[Soustava SI|soustavy SI]]. Odpovídá hmotnosti 1000&nbsp;[[kilogram]]ů;<ref>[http://www.legislation.gov.uk/ukpga/1985/72/contents Weights and Measures Act 1985]. National Archives (London), 2014. Accessed 13 Aug 2014.</ref><ref name=bippy>[http://www.bipm.org/en/si/si_brochure/chapter4/table6.html Table 6] [https://web.archive.org/web/20091001100650/http://www.bipm.org/en/si/si_brochure/chapter4/table6.html], 2009-10-01</ref><ref name="FR1998">{{cite journal|title=Metric System of Measurement: Interpretation of the International System of Units for the United States|journal=[[Federal Register]]|date=July 28, 1998|volume=63|issue=144|id=63 FR 40333|page=40338|url=http://physics.nist.gov/cuu/pdf/SIFedReg.pdf|format=PDF|accessdate=2018-01-12}} {{WaybackCitace elektronického periodika |titul=Archivovaná kopie |url=http://physics.nist.gov/cuu/pdf/SIFedReg.pdf |datedatum přístupu=2018-01-12 |url archivu=https://web.archive.org/web/20111015081850/http://physics.nist.gov/cuu/pdf/SIFedReg.pdf |datum archivace=2011-10-15 }}</ref><ref>[http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf The International System of Units (SI)] (PDF), 8th Edition, 2006, Section 4.1</ref> nebo jednomu '''megagramu''' (Mg).