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Small tuna Calories
High protein, omega-3, low fat, rich in minerals and vitamins
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 piece (small) of Small tuna (120 g) has 132 calories. That works out to 110 calories per 100 g. It contains 0 g of carbs, 28.8 g of protein, 1.4 g of fat and 0 g of fiber. Its 2.6 µg of B12 covers 110% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Small tuna Nutrition Facts
Selected: 1 piece (small) · 120 g
132
KCAL / 120G
Carbs
0g
· 0% DV
Protein
28.8g
· 58% DV
Fat
1.4g
· 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 90% · Fat 10%
Small tuna nutrition facts table · 1 piece (small) (120 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 132 kcal | |
| Total fat | 1.4 g | 2% |
| Saturated fat | 0.36 g | 2% |
| Trans fat | 0 g | |
| Sodium | 48 mg | 2% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 28.8 g | 58% |
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 Small tuna?
| Serving | Amount | Calories |
|---|---|---|
| 1 piece (small) | 120 g | 132 kcal |
| 1 can (small) | 90 g | 99 kcal |
| 100 g | 100 g | 110 kcal |
| 1 serving (medium) | 100 g | 110 kcal |
| 1 can (medium) | 140 g | 154 kcal |
| 1 serving (large) | 150 g | 165 kcal |
| 1 piece (medium) | 180 g | 198 kcal |
| 1 pack (large) | 200 g | 220 kcal |
| 1 piece (large) | 250 g | 275 kcal |
Calculated from 110 calories per 100 g.
Frequently Asked Questions About Small tuna
What is small tuna?
Small tuna is a name for smaller tuna fish, but it does not identify one exact species everywhere. If you need to know the precise fish—such as for cooking or mercury guidance—ask the seller for its species rather than relying on the size name alone.
Does small tuna taste different from larger tuna?
Small tuna generally has the savory, meaty flavor associated with tuna, though taste and texture vary by species and freshness. Smaller fish or cuts may cook faster, so avoid leaving them on the heat until the flesh becomes dry.
Is small tuna the same as albacore?
Not necessarily. Albacore is a particular tuna species, while “small tuna” is a broad size-based name and may refer to other species. Check the species name on the label or ask the fishmonger if you need to distinguish them.
What is the best way to cook small tuna steaks?
Sear or grill small tuna steaks over high heat for a short time. Pat them dry first and turn them carefully; tuna can become dry and firm if cooked for too long. A little lemon and olive oil work well for serving.
Can you eat small tuna raw?
Yes, but only if it has been sold and handled for raw consumption. Ask the fish seller whether it is suitable for dishes such as sashimi; ordinary fresh fish or freezing it at home does not by itself guarantee raw-fish safety.
How can you tell if small tuna is fresh?
Fresh small tuna should smell mild and briny, not sour or ammonia-like, and its flesh should look moist and feel firm. Avoid fish with a sticky surface, an unpleasant strong odor, or flesh that is breaking apart.
How should you store fresh small tuna?
Keep raw small tuna covered in the coldest part of the refrigerator and cook it within 1–2 days. Store cooked tuna separately in a covered container, and do not leave either raw or cooked fish at room temperature for an extended period.
Can small tuna be frozen?
Yes. Freeze small tuna while it is fresh, wrapped tightly in an airtight package to limit freezer burn. Thaw it in the refrigerator and do not refreeze it after thawing.
Is small tuna the same as canned tuna?
No. Small tuna refers to fresh fish, while canned tuna has been cooked and packaged as a separate product. You can grill or pan-cook fresh small tuna; once you open canned tuna, follow its storage directions.
Does small tuna have a lot of mercury?
Small tuna can contain mercury, and the amount depends on the species and fish size. If you are pregnant or choosing fish for a young child, follow local seafood guidance and check which tuna species it covers.
Small tuna Vitamins & Minerals
Vitamins
B12
2.64µg · 110% DV
B3
10.2mg · 64% DV
B6
0.84mg · 49% DV
B2
0.26mg · 20% DV
Minerals
Selenium
54µg · 98% DV
Phosphorus
264mg · 38% DV
Iodine
42µg · 28% DV
Potassium ⭐
420mg · 12% DV
Sodium
48mg · 2% DV
Small tuna Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Small tuna
To burn the 132 calories in 1 piece (small) (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 Small tuna?
Small tuna refers to smaller-sized tuna rather than necessarily to one particular species. Its flesh is firm, dark and savoury, and it is usually cooked fresh by grilling, searing or baking. In places where it is available, it makes a straightforward main course with lemon, herbs and a crisp salad; take care not to overcook it, as the lean flesh can dry out.
It is notably high in protein and low in fat, with 24 g of protein per 100 g. Pair it with vegetables for a lighter meal, or add potatoes, rice or bread when you want something more substantial.
How Nutritious Is Small tuna?
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 Small tuna Processed?
NOVA 1
Unprocessed
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 Small tuna Contain Allergens?
Contains these allergens:
Which Diets Is Small tuna 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
Small tuna Fat Profile
SATURATED
0.36g
MONOUNSATURATED
0.36g
POLYUNSATURATED
0.72g
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.