Munurin millum rættingarnar hjá "Millumtjóða eindarskipanin"
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|style="background:#F5F5F5" rowspan=3|'''[[kelvin]]'''
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|'''1954'''||<!--The [[triple point of water]] (0,01 °C) defined to be exactly 273.16 K.<ref group=n>In 1954 the unit of thermodynamic temperature was known as the "''degree Kelvin''" (symbol °K; "Kelvin" spelt with an upper-case "K"). It was renamed the "''kelvin''" (symbol "K"; "kelvin" spelt with a lower case "k") in 1967.</ref> -->
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|'''1967'''||{{sfrac|273,16}} av termodynamiska temperaturinum, sum
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|style="background:#F5F5F5" rowspan=2|'''[[Mol (eind)|mol]]'''
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<!-- The value of the new candle is such that the brightness of the full radiator at the temperature of solidification of [[platinum]] is 60 new candles per square centimetre. -->
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|'''1979'''||ljósstyrkin í ein
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== SI-prefiks ==
Hevur ein brúk fyri størri ella minni eindum enn omanfyri nevndu, kann ein altíð gera nýggjar eindir við at seta eitt prefiks framman fyri SI-eindina. T.d. er eitt mannahár áleið 0,000 08 metrar = 80 × 10<sup>−6</sup> metrar = 80 mikrometrar og miðal[[radius]] á [[Jørðin|jørðini]] 6 371 × 10<sup>3</sup> metrar = 6 371 kilometrar.
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