Milligrams per liter to grams per milliliter converter above calculates how many grams per milliliter are in 'X' milligrams per liter (where 'X' is the number of milligrams per liter to convert to grams per milliliter). In order to convert a value from milligrams per liter to grams per milliliter (from mg/L to g/mL) type the number of mg/L to be converted to g/mL and then click on the 'convert' button.