Weights and Measures

Number Prefix Symbol
10 1(0) deka- da
10 2(00) hecto- h
10 3(000) kilo- k
10 6(000000) mega- M
10 9 giga- G
10 12 tera- T
10 15 peta- P
10 18 exa- E
10 21 zeta- Z
10 24 yotta- Y
Number Prefix Symbol
10 -1(0) deci- d
10 -2(00) centi- c
10 -3(000) milli- m
10 -6(0000000) micro-
10 -9 nano- n
10 -12 pico- p
10 -15 femto- f
10 -18 atto- a
10 -21 zepto- z
10 -24 yocto- y