Units of mass
Name Symbol Multiplying factor
quettagram Qg 1030
ronnagram Rg 1027
yottagram Yg 1024
zettagram Zg 1021
exagram Eg 1018
petagram Pg 1015
teragram Tg 1012
gigagram Gg 109
megagram Mg 106
kilogram kg 103
hectogram hg 102
decagram dag 101
gram g 100
decigram dg 10−1
centigram cg 10−2
milligram mg 10−3
microgram µg 10−6
nanogram ng 10−9
picogram pg 10−12
femtogram fg 10−15
attogram ag 10−18
zeptogram zg 10−21
yoctogram yg 10−24
rontogram rg 10−27
quectogram qg 10−30