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Canned tuna (47g protein) Calories
Very high protein, low fat, omega-3 source, convenient
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 can (medium) of Canned tuna (47g protein) (120 g) has 252 calories. That works out to 210 calories per 100 g. It contains 0 g of carbs, 56.4 g of protein, 1.8 g of fat and 0 g of fiber. Its 84 µg of Selenium covers 153% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Canned tuna (47g protein) Nutrition Facts
Selected: 1 can (medium) · 120 g
252
KCAL / 120G
Carbs
0g
· 0% DV
Protein
56.4g
· 113% DV
Fat
1.8g
· 2% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 0% · Protein 93% · Fat 7%
Canned tuna (47g protein) nutrition facts table · 1 can (medium) (120 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 252 kcal | |
| Total fat | 1.8 g | 2% |
| Saturated fat | 0.36 g | 2% |
| Trans fat | 0 g | |
| Sodium | 420 mg | 18% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 56.4 g | 113% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Can of Canned tuna (47g protein)?
| Serving | Amount | Calories |
|---|---|---|
| 1 can (medium) | 120 g | 252 kcal |
| 2 tablespoon (chopped) | 30 g | 63 kcal |
| 1 pack (mini) | 50 g | 105 kcal |
| 1 piece (small) | 60 g | 126 kcal |
| 1 can (small) | 80 g | 168 kcal |
| 100 g | 100 g | 210 kcal |
| 1 piece (medium) | 100 g | 210 kcal |
| 1 serving (medium) | 100 g | 210 kcal |
| 1 serving (large) | 150 g | 315 kcal |
| 1 can (large) | 185 g | 389 kcal |
Calculated from 210 calories per 100 g.
Frequently Asked Questions About Canned tuna (47g protein)
Is canned tuna already cooked?
Yes, canned tuna is cooked during processing, so it is ready to eat straight from the can. You can serve it cold or warm it briefly in a dish; prolonged cooking can make the fish dry and crumbly.
How long does canned tuna last in the fridge after opening?
Transfer opened canned tuna to a clean, covered container and refrigerate it for 3–4 days. Don’t store it in the opened metal can. Discard it if it develops an unusual smell, discoloration, or a slimy texture.
Is canned tuna high in mercury?
Canned tuna can contain mercury, and the amount varies by species. Light tuna is generally lower in mercury than albacore or white tuna, so check the species when it is listed and vary your seafood choices rather than eating tuna every day.
Can you eat canned tuna straight from the can?
Yes, canned tuna is safe to eat straight from an intact can because it has already been cooked. Drain it first if you prefer less packing liquid or oil, and don’t eat it if the can is bulging, leaking, or badly damaged.
What is the difference between tuna in oil and tuna in water?
Tuna in oil tends to taste richer and feel softer, while tuna in water has a lighter taste. Draining removes some of the packing liquid, but oil-packed tuna may retain some oil; choose based on the texture and flavor you want.
Should you rinse canned tuna before eating it?
No, rinsing canned tuna is usually unnecessary; draining is enough to remove excess oil or water. Rinsing can wash away some flavor and leave the fish watery. If you specifically want to reduce its salty taste, rinse briefly and drain well.
Can you freeze canned tuna after opening it?
Yes, you can freeze opened canned tuna after transferring it to an airtight freezer-safe container. The texture may become drier or softer after thawing, so frozen tuna works best in cooked dishes, sandwiches, or salads rather than as a standalone serving.
What is the best way to make tuna salad with canned tuna?
For tuna salad, drain the canned tuna and gently flake it with a fork, then mix it with your preferred dressing and crunchy ingredients. Add the dressing gradually so the salad stays moist without turning mushy.
Can you eat canned tuna while pregnant?
Yes, some canned tuna can fit into pregnancy meals, but the species and amount matter because mercury levels vary. Follow local guidance on lower-mercury fish and ask your clinician which tuna types and portions are appropriate during pregnancy.
Can dogs eat canned tuna?
Dogs can have a small amount of plain canned tuna occasionally, but it should not replace balanced dog food. Choose tuna packed in water without added salt or seasoning, and avoid giving it regularly because of mercury and sodium.
Canned tuna (47g protein) Vitamins & Minerals
Vitamins
B12
2.88µg · 120% DV
B3
15mg · 94% DV
B6
0.96mg · 56% DV
B2
0.3mg · 23% DV
Minerals
Selenium
84µg · 153% DV
Phosphorus
360mg · 51% DV
Iodine
36µg · 24% DV
Sodium
420mg · 18% DV
Potassium ⭐
384mg · 11% DV
Canned tuna (47g protein) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Canned tuna (47g protein)
To burn the 252 calories in 1 can (medium) (120 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Canned tuna (47g protein)?
Canned tuna is cooked tuna sealed for convenience, commonly packed in water, brine or oil. It has a savoury, mildly oceanic flavour and a firm texture that flakes easily. In the Mediterranean, it is often stirred into salads, pasta or sandwiches; elsewhere, it is a handy pantry ingredient for quick lunches, wraps and baked dishes. It is notably protein-rich and low in fat, though the exact fat content depends partly on the packing liquid. For a lighter meal, drain oil-packed tuna and pair it with plenty of vegetables, beans or leafy greens.
How Nutritious Is Canned tuna (47g protein)?
Nutrient density
Very high
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Canned tuna (47g protein) Processed?
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Canned tuna (47g protein) Contain Allergens?
Contains these allergens:
Which Diets Is Canned tuna (47g protein) Good For?
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Canned tuna (47g protein) Fat Profile
SATURATED
0.36g
MONOUNSATURATED
0.48g
POLYUNSATURATED
0.84g
Omega 6:3 ratio 0.1:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.