How much protein is in raw yellowfin tuna?

Raw yellowfin tuna has 24.4 g of protein per 100 g and 20.7 g per 3 oz (85 g). That is 22.4 g of protein per 100 kcal — a high-protein food by any standard.

Should tuna, shrimp and sardines be weighed raw or cooked?

Weigh it in whichever state you log it, and use the row that matches — this page is the raw row. Cooking does not change how many calories are there, only how many grams they are spread across: meat loses water in the pan and gets denser, grains and pasta absorb it and get lighter per gram.

All foods

Tuna, shrimp and sardinesUSDA SR LegacyFDC 175159

Calories in raw yellowfin tuna

USDA FoodData Central record for “Fish, tuna, fresh, yellowfin, raw” — per 100 g, per every USDA serving size, and next to the other tuna, shrimp and sardines rows.

The short answer

Raw yellowfin tuna: 109 kcal per 100 g. 3 oz (85 g) is 93 kcal with 20.7 g of protein. Source: USDA FoodData Central record 175159, "Fish, tuna, fresh, yellowfin, raw".

Per 100 g

Nutrient	Per 100 g	Share of energy
Energy	109 kcal	100%
Protein	24.4 g	90%
Fat	0.5 g	4%
Carbohydrate	0 g	0%

Raw yellowfin tuna is 109 kcal per 100 g in USDA FoodData Central (SR Legacy). Of that energy, about 90% comes from protein, 4% from fat and 0% from carbohydrate. That works out to 22.4 g of protein per 100 kcal — a high-protein food by any standard.

Per serving

The serving sizes USDA lists for this record, priced from the per-100 g figures above. Nothing here is rounded to a “portion” — the gram weight next to each label is what the calories are computed from.

Serving	Weight	Calories	Protein	Fat
100 g	100 g	109	24.4 g	0.5 g
1 oz, boneless	28 g	31	6.9 g	0.1 g
1 cubic inch, boneless	16 g	17	3.9 g	0.1 g
3 oz	85 g	93	20.7 g	0.4 g

Compared with other tuna, shrimp and sardines

Food	kcal / 100 g	Protein / 100 g	Per serving
Canned tuna in water	86	19.4 g	73 kcal · 3 oz
Raw yellowfin tuna	109	24.4 g	93 kcal · 3 oz
Raw shrimp	85	20.1 g	72 kcal · 3 oz
Cooked shrimp	99	24 g	84 kcal · 3 oz
Canned sardines in oil	208	24.6 g	59 kcal · 1 oz

The tuna, shrimp and sardines rows exist in more than one state because water moves during cooking: this is the raw row. Weigh the food in the state you log and pick the row that matches — the calories don’t change in the pan, the grams do. The mechanics are in cooked vs raw weights.

Other tables in finfish and shellfish products

The same numbers for the foods this one usually shares a plate — or a shopping list — with.

Questions about raw yellowfin tuna

How many calories are in raw yellowfin tuna?: Raw yellowfin tuna: 109 kcal per 100 g. 3 oz (85 g) is 93 kcal with 20.7 g of protein. Source: USDA FoodData Central record 175159, "Fish, tuna, fresh, yellowfin, raw".
How much protein is in raw yellowfin tuna?: Raw yellowfin tuna has 24.4 g of protein per 100 g and 20.7 g per 3 oz (85 g). That is 22.4 g of protein per 100 kcal — a high-protein food by any standard.
Should tuna, shrimp and sardines be weighed raw or cooked?: Weigh it in whichever state you log it, and use the row that matches — this page is the raw row. Cooking does not change how many calories are there, only how many grams they are spread across: meat loses water in the pan and gets denser, grains and pasta absorb it and get lighter per gram.

How calorie.one logs it

Type “raw yellowfin tuna” into calorie.one and the app matches this exact record — “Fish, tuna, fresh, yellowfin, raw” — estimates the grams, and shows the line with its USDA label. You correct the amount; the per-100 g figure is never guessed. That split between recognition and arithmetic is the whole methodology. For the numbers in context, read How much protein do you need per day?.