with John Hopkins Louisiana
State University (LSU)
, Density - mass/volume
Mass - density x volume
Volume - mass/density
Giga (G) - 1 x 10^9 (1,000,000,000)
Mega (M) - 1 x 10^6 (1,000,000)
kilo (k) - 1 x 10^3 (1000)
deci (d) - 1 x 10^-1 (0.1)
centi (c) - 1 x 10^-2 (0.01)
milli (m) - 1 x 10^-3 (0.001)
micro (μ) - 1 x 10^-6
nano (n) - 1 x 10^-9
pico (p) - 1 x 10^-12
femto (f) - 1 x 10^-15