Some common units:
-
g: gram is for mass
-
l: litre is for liquid volume
-
s: second is for time
-
m: metre is for length
-
A: ampere is for electric current
-
K: kelvin is for temperature
-
mol: mole is for amount of a substance
-
cd: candela is for luminous intensity
Some common prefixes:
-
n: nano means 1/1000000000 aka
$10^{-9}$ -
μ: micro means 1/1000000 aka
$10^{-6}$ -
m: milli means 1/1000 aka
$10^{-3}$ -
k: kilo means 1000 aka
$10^{3}$ -
M: mega means 1000000 aka
$10^{6}$ -
G: giga means 1000000000 a.k.a
$10^{9}$
Some common ratios:
-
g/L: grams per liter
-
U/L: units per liter
-
IU/L: international units per liter
-
INR: international normalized ratio (measures blood clotting time)