how many ml ounce
fl oz: Ounces, mL: Milliliter. There are 29.573529564112 milliliter in a ounce. 1 Ounce is equal to 29.573529564112 Milliliter. 1 fl oz = 29.573529564112 mL. Known as the US fluid ounce, the unit of volume for liquid substances is used as ounce in the US and other countries practicing the US Customary system.