calories in ounce of tuna
There are 33 calories in 1 ounce of Tuna in Water (Canned). Calorie breakdown: 7% fat, 0% carbs, 93% protein.here are 33 calories in 1 ounce of Tuna in Water (Canned). Calorie breakdown: 7% fat, 0% carbs, 93% protein.