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How Many Calories in Fish, Mackerel, Jack, Canned?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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156
calories per 100g
44 calories per 1 oz, boneless (28g)
MORiSH high-protein snacks — try alongside
23.2gProtein
0.0gCarbs
6.3gFat
0.0gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)44 kcal6.6g
100g156 kcal23.2g
grams
156kcal
23.2gprotein
0.0gcarbs
6.3gfat
0.0gfibre

A fish, mackerel, jack, canned contains 156 calories per 100g. A typical 1 oz, boneless (28g) provides about 44 calories. Fish, Mackerel, Jack, Canned is moderate in calories and is a good source of protein. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Fish, Mackerel, Jack, Canned Nutrition Facts

NutrientPer 100gPer serving (28g)
Calories156 kcal44 kcal
Protein23.2g6.5g
Carbohydrates0.0g0.0g
of which Sugars0.0g0.0g
Fat6.3g1.8g
of which Saturates1.9g0.5g
Fibre0.0g0.0g
Sodium379.0mg106mg
Potassium194.0mg54mg
Calcium241.0mg67mg
Iron2.0mg0.6mg
Vitamin C0.9mg0.3mg
Vitamin A130.0µg36µg
Selenium37.7µg11µg
Riboflavin (B2)0.2mg0.1mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

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Have a cat or dog? Check whether fish, mackerel, jack, canned is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. If calorie tracking is part of a broader health check, hormone testing can rule out metabolic factors affecting your results. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Cooking method changes the final calorie and fat count more than the cut itself — grilling, baking or steaming typically adds nothing, while frying can add a meaningful amount of fat per serving.

Does fish, mackerel, jack, canned fit your diet?

High-protein diets

At 23.2g of protein per 100g, fish, mackerel, jack, canned clears the 15g/100g threshold generally used to call a food high-protein — a useful contributor if you're tracking protein intake for muscle maintenance, satiety, or a higher-protein eating pattern.

Low-carb / keto

Fish, Mackerel, Jack, Canned contains 0.0g of carbohydrate per 100g, low enough to fit comfortably within most low-carb or ketogenic daily carb allowances — check the fat and protein split above against your specific macro targets.

Frequently Asked Questions

How many calories in fish, mackerel, jack, canned per 100g?

Fish, Mackerel, Jack, Canned contains 156 calories per 100g, based on USDA reference data.

Is fish, mackerel, jack, canned high in calories?

A 1 oz, boneless of fish, mackerel, jack, canned (28g) has around 44 calories — roughly 2% of a 2,000-calorie daily intake.

Is fish, mackerel, jack, canned good for weight loss?

Fish, Mackerel, Jack, Canned is fairly calorie-dense at 156 calories per 100g, so portion size matters when losing weight. A 1 oz, boneless provides about 44 calories.

How much protein is in fish, mackerel, jack, canned?

Fish, Mackerel, Jack, Canned contains 23.2g of protein per 100g.

Is fish, mackerel, jack, canned a good source of fibre?

Fish, Mackerel, Jack, Canned is relatively low in fibre at 0.0g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does fish, mackerel, jack, canned compare to emu, inside drums, cooked, broiled?

Fish, Mackerel, Jack, Canned has 156 calories per 100g, close to emu, inside drums, cooked, broiled at 156 — 0 calories fewer per 100g. See the full macro breakdown above.

Is fish, mackerel, jack, canned keto-friendly?

Fish, Mackerel, Jack, Canned contains 0.0g of carbohydrate per 100g, which fits comfortably within most ketogenic daily carb allowances — check it against your specific daily carb target.

How many servings of fish, mackerel, jack, canned for 20g of protein?

With 23.2g of protein per 100g, you'd need roughly 86g of fish, mackerel, jack, canned to reach 20g of protein

Foods with a similar calorie count

Other meat & fish closest to fish, mackerel, jack, canned by calories per 100g:

FoodCaloriesProteinCarbsFat
Fish, Mackerel, Jack, Canned (this page)156 kcal23.2g0.0g6.3g
Emu, Inside Drums, Cooked, Broiled156 kcal32.4g0.0g2.0g
Ostrich, Outside Strip, Cooked156 kcal28.6g0.0g3.8g
Pork, Leg Sirloin Tip Roast, Boneless, Separable Lean and Fat, Cooked156 kcal31.1g0.0g2.6g
Beef, Round, Tip Round, Roast, Separable Lean and Fat, Trimmed to 0″ Fat, Choice, Raw156 kcal20.2g0.0g7.7g
Fish, Salmon, Sockeye, Cooked156 kcal26.5g0.0g5.6g
Lamb, Variety Meats and By-products, Spleen, Cooked156 kcal26.5g0.0g4.8g

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Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.