Fluid Ounces to Milliliters Converter
Convert US fluid ounces to milliliters, the conversion needed for recipes, drinks and medicine doses. Imperial fluid ounces are a different size and appear in the table alongside.
Convert fluid ounces and milliliters
Frequently Asked Questions
A US fluid ounce is 29.5735 ml. An imperial fluid ounce is 28.4131 ml.
US recipes use the US fluid ounce, UK recipes the imperial one. The difference is about 4%, which matters for baking and for medicine.
236.59 ml, usually rounded to 240 in nutrition labelling.
A fluid ounce measures volume, an ounce measures mass. They coincide only for a liquid of a particular density.