Fish

Q: How many calories in 100g of fish?

About 161 calories, with roughly 27.3g of protein. 100g weighs about 100g. Use the slider above for any other portion.

One food. Every number that matters.

161

cal per 100 g

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= 3.5 oz

Calories

161

Protein

27.3g

Carbs

Fat

5.8g

Protein 68% Carbs 0% Fat 32%

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Fish is basically 68% 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 161 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 fat0.92 g5%

Cholesterol69 mg23%

Sodium390 mg17%

Potassium370 mg8%

Calcium28 mg2%

Iron1.9 mg11%

Magnesium32 mg8%

Zinc0.66 mg6%

Vitamin C0 mg0%

Vitamin E0.61 mg4%

Vitamin A65 mcg7%

Vitamin B60.103 mg6%

Vitamin B124.91 mcg205%

Folate7 mcg2%

Niacin10.1 mg63%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

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

Black Bear

Almost identical calories · -7g protein.

Cal155 Protein20.1 g Fat8.3 g

Walrus

36 fewer calories per 100g · -6g protein.

Cal125 Protein21 g Fat3 g

Walrus

38 more calories per 100g · -8g protein.

Cal199 Protein19.2 g Fat13.6 g

Common questions

The stuff people actually ask.

How many calories in 100g of fish?

About 161 calories, with roughly 27.3g 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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