Protein content
A 3 oz cooked serving of king mackerel contains 22.1 g of protein - a very good source of protein, about 44% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is extremely protein-dense.
| Serving | 3 oz cooked (85 g) |
|---|---|
| Protein per serving | 22.1 g |
| Protein per 100 g | 26 g |
| Calories per serving | 114 kcal |
| Protein density | 78% of calories |
| Share of 50 g Daily Value | 44% |
| Protein quality | Complete protein |
| Category | Seafood |
| Food type | Whole food |
| USDA record | FoodData Central #174236 |
A typical 3 oz cooked serving of king mackerel contains 22.1 grams of protein (26 g per 100 g), which makes it a very good source of protein. That covers roughly 44% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 78% of the calories in king mackerel come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Among the 121 seafood in the database, king mackerel ranks 21st by protein per serving, and 101st out of all 796 foods on the site. Set against trout, another seafood entry in the database, a serving carries about 0.5 g less protein (trout has 22.6 g per 3 oz cooked).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving above is measured by weight at 85 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
High in mercury; agencies advise against frequent servings.
Source: USDA FoodData Central #174236 - "Fish, mackerel, king, cooked, dry heat" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
King mackerel has 26 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 22.1 g.
Yes. King mackerel is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
A 3 oz cooked serving of king mackerel contains 22.1 g of protein, about 44% of the 50 g reference Daily Value.
King mackerel is a very good source of protein, and about 78% of its calories come from protein, which makes it extremely protein-dense. Set against trout, another seafood entry in the database, a serving carries about 0.5 g less protein (trout has 22.6 g per 3 oz cooked).
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