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