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