Ounces per pint (US) to milligrams per milliliter conversion calculator above calculates how many milligrams per milliliter are in 'X' ounces per pint (US) (where 'X' is the number of ounces per pint (US) to convert to milligrams per milliliter). In order to convert a value from ounces per pint (US) to milligrams per milliliter (from oz/pt to mg/mL) just type the number of oz/pt to be converted to mg/mL and then click on the 'convert' button.