Question: how many milliliters constitute a fluid ounce?
Answer: 1 US Fluid Ounce = 29.5735296 Milliliters Fluid ounce is an Imperial and United States Customary measurement systems volume unit. 1 US fluid ounce is equal to 29.5735 milliliters and 1 Imperial fluid ounce is equal to 28.413 milliliters. The symbol is "fl oz".