Searching for evidence of critical thinking in discourse has roots in a definition of critical thinking put forth by Kuhn (1991), which places more emphasis on the social nature of discussion and knowledge construction.
:Ounces. 1 mL = 0.033814 fl oz; 1 fl oz = 29.57353 mL. US Fluid Ounce (US Fl. oz) is a United States customary volume unit. Please don't be confused with the ounce which is a mass unit. Similar US customary volume units include pint (16 fl. oz), quart (32 fl. oz), gallon (128 fl. oz), cup (8 fl. oz) etc.
Although it sounds like an easy question, there are currently two systems that are actively used that define how much liquid is contained in a fluid ounce! The US system. The US a fluid ounce is defined as 29.57 mL and as a result, a 16.9 fl.oz. bottle will contain around 500 mL of liquid.