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A half mackerel lies on a plate, its elongated body showing glossy silver skin, dark blue-green stripes along the back, and a cut edge with pale flaky flesh.
●Low GI
★Natural
⚡High Potassium

Half Mackerel Calories

Rich in omega-3, high protein, source of vitamin B12

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

205kcal

GI

0low

POTASSIUM · 100 G

330mg

FIBER · 100 G

0g

Quick answer

100 g of Half Mackerel has 205 calories. It contains 0 g of carbs, 19 g of protein, 14 g of fat and 0 g of fiber. Its 19 µg of B12 covers 792% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Half Mackerel Nutrition Facts

Selected: 100 g

205

KCAL / 100G

Carbs

0g

· 0% DV

Protein

19g

· 38% DV

Fat

14g

· 18% 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 38% · Fat 62%

Half Mackerel nutrition facts table · 100 g

NutrientAmount% DV
Calories205 kcal
Total fat14 g18%
Saturated fat3.3 g16%
Trans fat0 g
Sodium90 mg4%
Total carbohydrate0 g0%
Fiber0 g0%
Protein19 g38%

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 Serving of Half Mackerel?

ServingAmountCalories
1 serving (medium)150 g308 kcal
1 piece (quarter)50 g103 kcal
1 serving (small)75 g154 kcal
100 g100 g205 kcal
1 piece (half)100 g205 kcal
1 piece (whole)200 g410 kcal
1 serving (large)250 g513 kcal
1 piece (jumbo)300 g615 kcal

Calculated from 205 calories per 100 g.

Frequently Asked Questions About Half Mackerel

Is half mackerel good for you?

Yes, half mackerel provides omega-3 fats, protein and vitamin B12. Grilling or baking it adds less cooking fat than frying, while still letting its rich flavour stand out.

How do you cook half mackerel?

You can grill, pan-fry or bake half mackerel. For grilling, start with the skin side facing the heat; cook until the flesh is opaque and separates easily.

Does half mackerel have a lot of bones?

Yes, half mackerel contains a central backbone and may have small pin bones. Separate the flesh carefully as you eat, and check it thoroughly before serving it to children.

Can you eat the skin on half mackerel?

Yes, half mackerel skin is edible and can turn crisp when grilled or pan-fried. Pat it dry before cooking; if you prefer not to eat it, the cooked flesh usually lifts away easily.

Is half mackerel high in mercury?

It depends on the species: Atlantic mackerel is generally low in mercury, while king mackerel is high. Check which mackerel you have, especially if you are pregnant or choosing fish for a child.

Can you eat half mackerel raw?

It is not advisable to eat half mackerel raw unless it has been specifically handled and prepared for raw consumption. Raw fish can carry parasites and harmful bacteria, so cooking it thoroughly is the safer option.

How can you tell if half mackerel is fresh?

Fresh half mackerel should smell mild and ocean-like, not sour or strongly fishy, and its flesh should look moist and firm. Avoid pieces with dull, sticky or mushy flesh.

How long does cooked half mackerel keep in the fridge?

Keep cooked half mackerel in a covered container in the refrigerator and eat it within three days. If it has been left at room temperature for an extended period, discard it instead of saving it.

Can you freeze half mackerel?

Yes, you can freeze half mackerel. Wrap it tightly or seal it in a freezer-safe container to limit air exposure, then thaw it in the refrigerator before cooking.

What is the difference between half mackerel and king mackerel?

Half mackerel describes a portion size, not a species; it may come from different kinds of mackerel. King mackerel is a particular species, and its mercury content is much higher than that of Atlantic mackerel.

Half Mackerel Vitamins & Minerals

Vitamins

B12

19µg · 792% DV

Vitamin D

16µg · 80% DV

B3

6.8mg · 43% DV

B6

0.6mg · 35% DV

Minerals

Selenium

36µg · 65% DV

Phosphorus

210mg · 30% DV

Iodine

40µg · 27% DV

Potassium ⭐

330mg · 10% DV

Sodium

90mg · 4% DV

Half Mackerel Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Half Mackerel

To burn the 205 calories in 100 g:

🚶

51min

Walking (5 km/h)

🏃

21min

Running (8 km/h)

🚴

28min

Cycling

🏊

24min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Half Mackerel?

Half Mackerel is a portion of mackerel rather than a distinct recipe: the oily fish is served as half a fish or a half-sized portion. Its rich, savoury flavour and firm yet tender flesh suit grilling, baking or pan-cooking, with the exact texture depending on how it is prepared.

Across many coastal food traditions, it is served with lemon, vegetables or salad, and sometimes bread or potatoes. It is naturally protein-rich and provides omega-3 fats; a 100 g portion has 19 g of protein. For a lighter plate, grill it with little added oil and pair it with a generous serving of fresh vegetables.

How Nutritious Is Half Mackerel?

Nutrient density

Very high

85/ 100

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

48/ 100

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 Half Mackerel 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 Half Mackerel Contain Allergens?

Contains these allergens:

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish yes
Soy free
Sesame free

Which Diets Is Half Mackerel 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

Half Mackerel Fat Profile

SATURATED

3.3g

MONOUNSATURATED

5.6g

POLYUNSATURATED

3.1g

⚖️

Omega 6:3 ratio 0.1:1

Below the ideal 4:1 — a good omega balance.

Compare Half Mackerel

🐟vs🐟
Half Mackerel vs Salmon Fillet1 kcal fewer per 100 g
→
🐟vs🐟
Half Mackerel vs Canned Tuna89 kcal more per 100 g
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Half Mackerel vs Fish95 kcal more per 100 g
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Half Mackerel vs Tuna73 kcal more per 100 g
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Foods Similar to Half Mackerel

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Salmon Fillet

206 kcal

🐟

Canned Tuna

116 kcal

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110 kcal

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132 kcal

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Baked Sea Bass

110 kcal

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Grilled Sea Bass

124 kcal

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Whiting

90 kcal

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Stuffed Mussels

175 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.