Cheat Sheet: Sistema Internacional de Unidades

PrefixoSímboloNotação TradicionalPotências (Base 10)Nome
YottaY10000000000000000000000001 000 000 000 000 000 000 000 000102410^{24}Septilhão
ZettaZ10000000000000000000001 000 000 000 000 000 000 000102110^{21}Sextilhão
ExaE10000000000000000001 000 000 000 000 000 000101810^{18}Quintilhão
PetaP10000000000000001 000 000 000 000 000101510^{15}Quadrilhão
TeraT10000000000001 000 000 000 000101210^{12}Trilhão
GigaG10000000001 000 000 00010910^{9}Bilhão
MegaM10000001 000 00010610^{6}Milhão
kilok10001 00010310^{3}Mil
hectoh10010010210^{2}Cem
decada101010110^{1}Dez
Unidade FundamentalUF10010^{0}10010^{0}Um
decid1/101/1010110^{-1}Décimo
centic1/1001/10010210^{-2}Centésimo
milim1/10001/100010310^{-3}Milésimo
microμ1/10000001/100000010610^{-6}Milionésimo
nanon1/10000000001/100000000010910^{-9}Bilionésimo
picop1/10000000000001/1000000000000101210^{-12}Trilionésimo
femtof1/10000000000000001/1000000000000000101510^{-15}Quadrilionésimo
attoa1/10000000000000000001/1000000000000000000101810^{-18}Quintilionésimo
zeptoz1/10000000000000000000001/1000000000000000000000102110^{-21}Sextilionésimo
yoctoy1/10000000000000000000000001/1000000000000000000000000102410^{-24}Septilionésimo

Referências

Prefixos do SI e suas diversas significações: https://www.facebook.com/PROFCADOSORIO/posts/2336808976461448