Glossary of units of measurement

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 a.k.a. 10⁻⁹

• μ: micro means 1/1000000 a.k.a. 10⁻⁶

• m: milli means 1/1000 a.k.a. 10⁻³

• k: kilo means 1000 a.k.a. 10³

• M: mega means 1000000 a.k.a. 10⁶

• G: giga means 1000000000 a.k.a 10⁹

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)