Question: what is ml in measurement?
Answer: Millilitre or milliliter (mL, ml, or mℓ), a unit of capacity. Millilambert (mL), a non-SI unit of luminance. Richter magnitude scale (ML), used to measure earthquakes. Megalangmuir (ML), a unit of exposure of a surface to a given chemical species (convention is 1 ML=monolayer=1 Langmuir)