Fluid ounces (US) to quarts (UK) converter on this page calculates how many quarts (UK) are in 'X' fluid ounces (US) (where 'X' is the number of fluid ounces (US) to convert to quarts (UK)). In order to convert a value from fluid ounces (US) to quarts (UK) (from fl oz to qt) type the number of fl oz to be converted to qt and then click on the 'convert' button.