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