Milligrams per cubic millimeter to grams per microliter conversion calculator shown above calculates how many grams per microliter are in 'X' milligrams per cubic millimeter (where 'X' is the number of milligrams per cubic millimeter to convert to grams per microliter). In order to convert a value from milligrams per cubic millimeter to grams per microliter (from mg/mm³ to g/μL) simply type the number of mg/mm³ to be converted to g/μL and then click on the 'convert' button.