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