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