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