Fish

The default answer to "what am I eating for protein."

146
cal per 100 g

Portion explorer

How much are you eating?

Drag the slider or type grams. Everything below updates live.

g
= 2.2 oz

Calories

91

Protein

15g

Carbs

0g

Fat

2.9g
Protein 69% Carbs 0% Fat 31%

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Fish is basically 69% 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 146 cal. Adjust down for lighter, up for heavier.

Walking

42

min · 3.5 mph

Cycling

21

min · easy pace

Jogging

16

min · 5 mph

Swimming

19

min · freestyle

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

The chef's caveat

Raw → Cooked

Meat loses roughly 25% of its weight to water during cooking. 4 oz raw becomes about 3 oz cooked. Every number here is for cooked weight — if your scale or recipe reads raw, multiply by 0.75 first.

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%
Saturated fat1.001 g5%
Cholesterol87 mg29%
Sodium90 mg4%
Potassium456 mg10%
Calcium103 mg8%
Iron1.91 mg11%
Magnesium38 mg9%
Zinc0.83 mg8%
Vitamin C2.1 mg2%
Vitamin A35 mcg4%
Vitamin B60.138 mg8%
Vitamin B122.31 mcg96%
Folate17 mcg4%
Niacin1.522 mg10%

Common questions

The stuff people actually ask.

How many calories in fillet of fish?
About 91 calories, with roughly 15g of protein. fillet weighs about 62g. Use the slider above for any other portion.
Grilled vs. baked vs. pan-seared — do the calories differ?
Not from the cooking method itself. All three yield roughly the same numbers per 100g cooked. What changes calories is what you add: a tablespoon of olive oil is +120 cal, a sugary marinade can add 40–80 per 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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