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Unit Converter - SI Prefixes


Enter a value to be converted and choose its units from the list. Press 'convert' to convert the number into the available units.

To enter a large or small number using scientific notation - for example, enter 1.9e2-27 for 1.9x10-27 and 6.03e23 for 6.03x1023.

Prefixes

fraction prefixsymbol   fraction prefixsymbol
10-1 decid  10deca da
10-2 centic  102 hectoh
10-3 millim  103 kilok
10-6 microm   106 megaM
10-9 nanon  109 gigaG
10-12 picop   1012 teraT
10-15 femtof   1015 petaP
10-18 attoa   1018 exaE
10-21 zeptoz   1021 zettaZ
10-24 yoctoy   1024 yottaY


The following conversion calculators are available:
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