Pints (UK) to milliliters conversion calculator above calculates how many milliliters are in 'X' pints (UK) (where 'X' is the number of pints (UK) to convert to milliliters). In order to convert a value from pints (UK) to milliliters (from pt to mL) just type the number of pt to be converted to mL and then click on the 'convert' button.