How many calories are in tuna?
3 oz drained (85 g) of tuna has 77 calories — with 16.2 g of protein, 0.1 g of carbs, and 0.8 g of fat, according to USDA nutrition data.
Tuna nutrition facts
| Nutrient | Per 3 oz drained | Per 100 g |
|---|---|---|
| Calories | 77 | 90 |
| Protein | 16.2 g | 19 g |
| Carbohydrates | 0.1 g | 0.08 g |
| Fat | 0.8 g | 0.94 g |
| of which saturated | 0.2 g | 0.22 g |
| Sodium | 186 mg | 219 mg |
| Potassium | 150 mg | 176 mg |
Source: USDA FoodData Central, Foundation Foods — Fish, tuna, light, canned in water, drained solids
Where the calories come from
Of the 77 calories in 3 oz drained of tuna, roughly 0 come from carbohydrates, 65 from protein, and 7 from fat.
Frequently asked questions
How many calories are in tuna?
3 oz drained (85 g) of tuna has about 77 calories, based on USDA data (90 calories per 100 g).
How much protein is in tuna?
3 oz drained (85 g) provides about 16.2 g of protein (19 g per 100 g).
How many carbs are in tuna?
3 oz drained (85 g) has about 0.1 g of carbohydrates.
Is tuna good for weight loss?
At 77 calories per 3 oz drained, tuna fits easily into a calorie deficit — the key is what it's paired with and total daily calories.
Stop looking up foods one at a time.
RecipeAI logs your meals and counts calories, protein, carbs, and fat automatically — snap it, log it, done.
Track calories free