Williamsburg 500 N Highland St Williamsburg, IA 52361 Phone 319-668-2888 Fax 319-668-2093
A unit of blood is equivalent to approximately 1 pint or 450 milliliters, according to the Canadian Blood Services website. The average patient requires around 4.6 units of blood.
One milliliter (British spelling: millilitre) (ml) is 1/1000 of a liter and is a unit of volume. 1 milligram (mg) is 1/1000 of a gram and is a unit of mass/weight. This means that we require an extra piece of information in order to be able to convert the measurement across.