Calories in 12 Oz of Raw King Mackerel

12 oz of raw king mackerel (340 g) has 357 calories. That is 18% of a 2,000 calorie diet.

The calories come from 69 g of protein, 6.8 g of fat and 0 g of carbohydrates, a split of 82% protein, 18% fat and 0% carbs. For comparison, 8 oz of raw king mackerel has 238 and 16 oz of raw king mackerel has 476 calories. Burning 357 calories takes about 64 minutes of brisk walking or 29 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.