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