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Tuna Fish (Water, Drained) Calories
High protein, low fat, source of omega-3
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 can (medium) of Tuna Fish (Water, Drained) (120 g) has 115 calories. That works out to 96 calories per 100 g. It contains 0 g of carbs, 25.8 g of protein, 1 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.
Tuna Fish (Water, Drained) Nutrition Facts
Selected: 1 can (medium) · 120 g
115
KCAL / 120G
Carbs
0g
· 0% DV
Protein
25.8g
· 52% DV
Fat
1g
· 1% 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 92% · Fat 8%
Tuna Fish (Water, Drained) nutrition facts table · 1 can (medium) (120 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 115 kcal | |
| Total fat | 1 g | 1% |
| Saturated fat | 0.24 g | 1% |
| Trans fat | 0 g | |
| Sodium | 336 mg | 15% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 25.8 g | 52% |
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 Tuna Fish (Water, Drained)?
| Serving | Amount | Calories |
|---|---|---|
| 1 can (medium) | 120 g | 115 kcal |
| 1 piece (small) | 50 g | 48 kcal |
| 1 serving (small) | 60 g | 58 kcal |
| 1 can (small) | 80 g | 77 kcal |
| 100 g | 100 g | 96 kcal |
| 1 piece (medium) | 100 g | 96 kcal |
| 1 serving (medium) | 100 g | 96 kcal |
| 1 piece (large) | 150 g | 144 kcal |
| 1 serving (large) | 150 g | 144 kcal |
| 1 can (large) | 160 g | 154 kcal |
Calculated from 96 calories per 100 g.
Frequently Asked Questions About Tuna Fish (Water, Drained)
Can you eat drained tuna in water straight from the can?
Yes, drained tuna in water is ready to eat because it has been cooked during canning. You can add it directly to salads, sandwiches, or pasta without cooking it again.
How long does drained tuna in water last after opening?
Transfer it to a covered, airtight container and refrigerate it promptly; use it within three to four days. Do not leave it in the opened can, and discard it if it develops an unusual smell, color, or texture.
Do you drain the water from tuna in water?
Usually, yes: draining keeps the tuna from making a sandwich or salad watery and makes it easier to portion. You can use the liquid in a recipe, but it is not necessary to keep or drink it.
How often can you eat drained tuna in water?
You can include it regularly, but tuna’s mercury content varies by species and product. Rather than eating tuna every day, rotate it with other fish and protein foods; follow local seafood advice for recommended frequency.
Can you eat drained tuna in water while pregnant?
Yes, tuna is not automatically off-limits during pregnancy, but its mercury level depends on the type of tuna. Follow current local pregnancy guidance for portions and frequency, and ask your clinician if you need advice tailored to you.
What is the difference between tuna in water and tuna in oil?
Drained tuna in water has a milder, less rich texture than tuna packed in oil. Draining removes much of the packing liquid from either kind, but oil-packed tuna can retain some oil and feel richer in a dish.
Should you rinse drained tuna in water before eating it?
No, rinsing is not needed; draining the can is usually enough. Rinsing may wash away some surface salt, but it does not reliably make the tuna low in sodium and can leave it less flavorful.
Can you freeze drained tuna in water?
Yes, you can freeze it in an airtight, freezer-safe container, although thawed tuna may be drier or more crumbly. Thaw it in the refrigerator and use it soon after thawing for the best texture.
Does drained tuna in water need to be refrigerated before opening?
No, an unopened can can be stored in a cool, dry cupboard away from sunlight. Discard cans that are swollen, leaking, or deeply dented, and refrigerate the tuna promptly once the can is opened.
What can you make with drained tuna in water?
Use drained tuna in water in salads, sandwiches, pasta, or tuna patties. For a sandwich filling, mix it with lemon and yogurt or mayonnaise; draining it well first helps keep the bread from becoming soggy.
Tuna Fish (Water, Drained) Vitamins & Minerals
Vitamins
B12
2.76µg · 115% DV
B3
10.2mg · 64% DV
B6
0.72mg · 42% DV
B5
0.72mg · 14% DV
Minerals
Selenium
84µg · 153% DV
Phosphorus
264mg · 38% DV
Iodine
42µg · 28% DV
Sodium
336mg · 15% DV
Potassium ⭐
288mg · 8% DV
Tuna Fish (Water, Drained) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Tuna Fish (Water, Drained)
To burn the 115 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 Tuna Fish (Water, Drained)?
Tuna fish in water, drained, is canned tuna packed in water and drained before serving. Its firm, flaky flesh has a clean, mild taste, making it an easy pantry staple for quick meals. Compared with tuna packed in oil, it feels lighter and less rich.
It is commonly mixed into salads, sandwiches and pasta, or served with crackers and sliced vegetables. In Turkey, tuna is also a familiar addition to green salads and toasted sandwiches. It is high in protein and low in fat; a 100 g portion provides 21.5 g of protein. Pair it with vegetables, beans or whole-grain bread for a more rounded meal, and add lemon or herbs for extra flavour without making it heavier.
How Nutritious Is Tuna Fish (Water, Drained)?
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
High
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 Tuna Fish (Water, Drained) Processed?
NOVA 2
Minimally 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 Tuna Fish (Water, Drained) Contain Allergens?
Contains these allergens:
Which Diets Is Tuna Fish (Water, Drained) 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
Tuna Fish (Water, Drained) Fat Profile
SATURATED
0.24g
MONOUNSATURATED
0.24g
POLYUNSATURATED
0.36g
Omega 6:3 ratio 0:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.