Food AWater, tapServing 100 g (100 g) 1 cup (240 g) 1 fl oz (30 g) 1 ice cube (20 g) 1 cup ice (110 g) 1 bottle (16.9 fl oz) filled with tap water (507 g) 1 bottle (24 fl oz) filled with tap water (720 g) Guideline amount if from a water fountain (60 g)