Fish

Q: How many calories in 100g of fish?

About 153 calories, with roughly 21.9g of protein. 100g weighs about 100g. Use the slider above for any other portion.

One food. Every number that matters.

153

cal per 100 g

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= 3.5 oz

Calories

153

Protein

21.9g

Carbs

Fat

7.3g

Protein 57% Carbs 0% Fat 43%

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Fish is basically 57% protein by calorie. Not many foods in the aisle read that clean.

Cottage cheese, skyr, and canned tuna hit the same range. Most things marketed as "high protein" land in the 30–45% band.

Reverse calculator

Work backwards from your target.

To hit grams of protein, eat:

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For calories, eat:

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Burn it off

What per 100 g costs.

Minutes for a 155 lb (70 kg) adult to burn 153 cal. Adjust down for lighter, up for heavier.

Walking

min · 3.5 mph

Cycling

min · easy pace

Jogging

min · 5 mph

Swimming

min · freestyle

Estimates from the Compendium of Physical Activities. Real burn depends on weight, intensity, and fitness.

Full nutrient panel · per 100 g

What else is in there.

From USDA FoodData Central (SR Legacy). %DV against the FDA 2,000-calorie reference.

Fiber0 g0%

Sugar0 g—

Saturated fat1.007 g5%

Cholesterol64 mg21%

Sodium60 mg3%

Potassium360 mg8%

Calcium7 mg1%

Iron0.53 mg3%

Magnesium27 mg6%

Zinc0.52 mg5%

Vitamin C0 mg0%

Vitamin E1.25 mg8%

Vitamin A58 mcg6%

Vitamin B60.282 mg17%

Vitamin B127.82 mcg326%

Folate11 mcg3%

Niacin8.04 mg50%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

per 100 g, as-served. Same portion, honest comparison.

Black Bear

Almost identical calories.

Cal155 Protein20.1 g Fat8.3 g

Walrus

28 fewer calories per 100g · -4g fat.

Cal125 Protein21 g Fat3 g

Caribou

31 fewer calories per 100g · -7g protein.

Cal122 Protein15 g Fat3.9 g

Common questions

The stuff people actually ask.

How many calories in 100g of fish?

About 153 calories, with roughly 21.9g of protein. 100g weighs about 100g. Use the slider above for any other portion.

Is fish actually healthy, or is that marketing?

By the numbers on this page: high protein, low fat, near zero sugar. Hard to argue with.

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