139 calories (100 grams). According to Check Food Encyclopedia, salmon contains 139 calories per 100 grams. The calories per 100 grams of salmon account for about 6% of the total daily calorie intake recommended by the Chinese Nutrition Society for the average adult to maintain good health, and the fat content per 100 grams of salmon is only 7.80 grams, which is a typical healthy food, low calorie and low fat food.