Calories in 1 Fillet of Cooked King Mackerel

1 fillet of cooked king mackerel (308 g) has 413 calories. That is 21% of a 2,000 calorie diet.

The calories come from 80 g of protein, 7.9 g of fat and 0 g of carbohydrates, a split of 82% protein, 18% fat and 0% carbs. For comparison, 2 fillets of cooked king mackerel has 825 calories. Burning 413 calories takes about 74 minutes of brisk walking or 33 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.