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