Calories in 300g of Cooked King Mackerel

300g of cooked king mackerel (300 g) has 402 calories. That is 20% of a 2,000 calorie diet.

The calories come from 78 g of protein, 7.7 g of fat and 0 g of carbohydrates, a split of 82% protein, 18% fat and 0% carbs. For comparison, 200g of cooked king mackerel has 268 and 400g of cooked king mackerel has 536 calories. Burning 402 calories takes about 72 minutes of brisk walking or 32 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.