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