Fish

Q: How many calories in 100g of fish?

About 141 calories, with roughly 24.5g of protein. 100g weighs about 100g. Use the slider above for any other portion.

One food. Every number that matters.

141

cal per 100 g

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= 3.5 oz

Calories

141

Protein

24.5g

Carbs

Fat

4.8g

Protein 70% Carbs 0% Fat 30%

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Fish is basically 70% 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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Burn it off

What per 100 g costs.

Minutes for a 155 lb (70 kg) adult to burn 141 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 fat0.8 g4%

Cholesterol68 mg23%

Sodium460 mg20%

Potassium400 mg9%

Calcium54 mg4%

Iron0.49 mg3%

Magnesium31 mg7%

Zinc0.75 mg7%

Vitamin C0 mg0%

Vitamin E0.44 mg3%

Vitamin A15 mcg2%

Vitamin D2 mcg10%

Vitamin B60.287 mg17%

Vitamin B124.98 mcg208%

Folate6 mcg2%

Niacin8.52 mg53%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

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

Black Bear

14 more calories per 100g · -4g protein.

Cal155 Protein20.1 g Fat8.3 g

Walrus

16 fewer calories per 100g · -3g protein.

Cal125 Protein21 g Fat3 g

Caribou

19 fewer calories per 100g · -9g protein.

Cal122 Protein15 g Fat3.9 g

Common questions

The stuff people actually ask.

How many calories in 100g of fish?

About 141 calories, with roughly 24.5g 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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