Question: is mm same as ml?
Answer: What is the difference between a milliliter and millimeter? ... A milliliter is a three (3) dimensional unit of volume, equal to one-thousandth (1/1000) of a liter. A millimeter is a one (1) dimensional (no width or thickness) unit of length equal to one-thousandth (1/1000) of a meter. They are different things.