How many calories are in Fish, Tuna?

A 100 g serving of Fish, Tuna has 103 kcal. The calories in your portion depend on its weight and how it is prepared.

How much protein is in Fish, Tuna?

Per 100 g there are 22 g of protein — about 44% of the Daily Value (50 g).

How much fat and carbs are in Fish, Tuna?

Per 100 g there are 1 g of fat and 0 g of carbohydrate, including 0 g of fiber.

What nutrients is Fish, Tuna high in?

Per 100 g it notably contributes to your Daily Value for: Protein (44% DV).

Fish & Seafood

Fish, Tuna

USDA reference values for fish, tuna (per 100 g).

103kcalCalories

22gProtein

1gFat

0gCarbs

Protein, fat and carb balance

Share of calories from each macronutrient (per 100 g).

Protein 90.6%
Fat 9.4%
Carbs 0%

What this food is high in

44% Protein 22 g / 100 g

Shown as percent of the Daily Value per 100 g.

Full nutrition facts (per 100 g)

Nutrient	Per 100 g	% DV*
Macronutrients
Protein	22 g	44%
Total Fat	1 g	1%
Saturated Fat	0.3 g	2%
Carbohydrate	0 g	0%
Dietary Fiber	0 g	0%
Total Sugars	—
Minerals
Sodium	37 mg	2%
Potassium	407 mg	9%
Calcium	29 mg	2%
Iron	1.3 mg	7%
Magnesium	34 mg	8%
Vitamins
Vitamin C	1 mg	1%
Vitamin A	16 mcg	2%
Vitamin D	—
Other
Cholesterol	47 mg	16%

* Percent of the Daily Value (Daily Value, based on a 2,000 kcal diet).

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Frequently asked questions

How many calories are in Fish, Tuna?: A 100 g serving of Fish, Tuna has 103 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Fish, Tuna?: Per 100 g there are 22 g of protein — about 44% of the Daily Value (50 g).
How much fat and carbs are in Fish, Tuna?: Per 100 g there are 1 g of fat and 0 g of carbohydrate, including 0 g of fiber.
What nutrients is Fish, Tuna high in?: Per 100 g it notably contributes to your Daily Value for: Protein (44% DV).

Similar foods and comparisons

Alaska Pollock, Raw 78 kcal 17.3 g protein Anchovies, Canned In Olive Oil 206 kcal 26.9 g protein Cod, Pacific Or Alaskan 61 kcal 14.2 g protein Crustaceans, Crab 83 kcal 17.9 g protein Crustaceans, Crab 155 kcal 20.2 g protein Crustaceans, Crab 86 kcal 17.4 g protein

Compare Fish, Tuna with: Alaska Pollock, Raw Anchovies, Canned In Olive Oil Cod, Pacific Or Alaskan Crustaceans, Crab

Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.