Fluids Ounces mL Fluids Ounces mL Watermelon, 1 cup 4.7 oz 140 mL Chicken noodle soup (low sodium) 1 cup 7.5 oz 222 mL Strawberries, 1 cup, 4.6 oz 138 mL Spaghetti sauce (low sodium), 1/2 cup 4 oz 117 mL Romaine lettuce, 1 cup (shredded) 1.5 oz 45 mL Celery (raw), 1 cup 3.2 oz 96 mL Tomato, 3 medium slices 2 oz 57 mL Cottage cheese, 1 cup 4 oz How to convert. 1 ounce (oz) = 0.119826427 cup (cup). Ounce (oz) is a unit of Weight used in Standard system. Cup (cup) is a unit of Volume used in Cooking system. Please note this is weight to volume conversion, this conversion is valid only for pure water at temperature 4 °C. US oz = 28.349523125 g. gQxufr.