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Calories in Canned Tuna (in water)

Canned Tuna (in water) has about 139 calories per 1 can drained (120 g), or 116 kcal per 100 g. That serving gives you 30.6 g protein, 0 g carbs and 1 g fat.

Per 1 can drained139kcal
Protein30.6g
Carbs0g
Fat1g

Nutrition facts

Lab-analysed values from USDA FoodData Central (Fish, tuna, light, canned in water, without salt, drained solids).

Protein 93%Carbs 0%Fat 7%
NutrientPer 100 g1 can drained (120 g)100 g (100 g)
Calories116 kcal139 kcal116 kcal
Protein25.5 g30.6 g25.5 g
Carbohydrates0 g0 g0 g
Fat0.8 g1 g0.8 g
Fiber0 g0 g0 g
Sugar0 g0 g0 g
Sodium50 mg60 mg50 mg

About Canned Tuna (in water)

A drained can of tuna in water is about 130 kcal and 28 g protein — the cheapest, easiest high-protein food in the cupboard. Tuna in oil is around 50% more calories unless well drained.

Tip: Mix with yogurt instead of mayonnaise and the sandwich stays under 350 kcal.

Burn off 139 kcal

Rough estimates for a 70 kg adult.

  • Brisk walking31 min
  • Running13 min
  • Cycling17 min

Stop guessing. Scan your plate.

Portion sizes are where calorie counts go wrong. Take a photo of your canned tuna (in water) and FoodMate AI estimates the portion and logs calories, protein, carbs and fat in seconds. Free to download.

Common questions

How many calories are in canned tuna (in water)?+

About 139 kcal per 1 can drained (120 g), or 116 kcal per 100 g. Very lean and convenient; oil-packed tuna is richer.

How many calories in 100 g of canned tuna (in water)?+

100 g (100 g) is roughly 116 kcal with 25.5 g protein, 0 g carbs and 0.8 g fat.

Is canned tuna (in water) high in protein?+

Yes — 1 can drained gives about 30.6 g protein for 139 kcal, which is 88% of its calories from protein.

Is canned tuna (in water) good for weight loss?+

Canned Tuna (in water) is moderate in calories (116 kcal per 100 g). It can fit a weight-loss diet in a normal portion — the key is keeping the serving to around 120 g and watching what you eat alongside it.

Related foods

Values are averages for general information only and are not medical or dietary advice. Actual calories depend on the recipe, cooking oil and portion size. Browse all foods in our food calorie database.