Cubic meters to fluid ounces (US) conversion calculator above calculates how many fluid ounces (US) are in 'X' cubic meters (where 'X' is the number of cubic meters to convert to fluid ounces (US)). In order to convert a value from cubic meters to fluid ounces (US) (from m³ to fl oz) type the number of m³ to be converted to fl oz and then click on the 'convert' button.