how many calories in 3 ounces of steak
For right around 160 calories, you can have 3 ounces of plain grilled flank steak. That portion size of flank steak has 7 grams of fat. Since all fats have 9 calories per gram, youâll get about 63 calories from fat. The big chunk of the calories in grilled flank steak stem from protein -- 23.5 grams or 157 calories from protein, since each gram has 4 calories.