Cubic decimeters to fluid ounces (UK) conversion calculator shown above calculates how many fluid ounces (UK) are in 'X' cubic decimeters (where 'X' is the number of cubic decimeters to convert to fluid ounces (UK)). In order to convert a value from cubic decimeters to fluid ounces (UK) (from dm³ to fl oz) just type the number of dm³ to be converted to fl oz and then click on the 'convert' button.