Fluid ounces (US labeling) to liters converter above calculates how many liters are in 'X' fluid ounces (US labeling) (where 'X' is the number of fluid ounces (US labeling) to convert to liters). In order to convert a value from fluid ounces (US labeling) to liters (from fl oz to L) just type the number of fl oz to be converted to L and then click on the 'convert' button.