Calories in 3 Crab

3 crab (120 g) has 100 calories. That is 5% of a 2,000 calorie diet.

The calories come from 21 g of protein, 0.9 g of fat and 0 g of carbohydrates, a split of 91% protein, 9% fat and 0% carbs. For comparison, 2 crab has 66 and 4 crab has 133 calories. Burning 100 calories takes about 18 minutes of brisk walking or 8 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.

Crab Calorie Calculator

AmountUnit

100cal

in 3 crab (120 g)

Protein21 g91% of calories

Fat0.9 g9% of calories

Carbs0 g0% of calories

5% of a 2,000 calorie day

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Crab calories by serving size

Common amounts of crab with calories and macros. Tap a row for its full nutrition page.

Serving	Weight	Calories	Protein	Fat
1 leg	15 g	12	2.7 g	0.1 g
1 claw	15 g	12	2.7 g	0.1 g
1 oz	28 g	24	5.1 g	0.2 g
2 legs	30 g	25	5.4 g	0.2 g
2 claws	30 g	25	5.4 g	0.2 g
1 crab	40 g	33	7.2 g	0.3 g
50g	50 g	42	8.9 g	0.4 g
1/2 cup	68 g	56	12 g	0.5 g
2 crab	80 g	66	14 g	0.6 g
100g	100 g	83	18 g	0.7 g
4 oz	113 g	94	20 g	0.8 g
3 crab	120 g	100	21 g	0.9 g
1 cup	135 g	112	24 g	1 g
200g	200 g	166	36 g	1.5 g

Crab vs similar foods

Calories per 100 g compared with other fish and seafood.

Raw Blue Crab87

Raw Dungeness Crab86

Raw Alaska King Crab84

Crab83

Canned Crab83

Canned Blue Crab83

Cooked Blue Crab83

Crab: common questions

How many calories are in 3 crab?

3 crab weighs about 120 g and has 100 calories.

How much protein is in 3 crab?

3 crab has 21 g of protein, which is 43% of the 50 g Daily Value.

How many carbs are in 3 crab?

3 crab has 0 g of carbohydrates, including 0 g of fiber and 0 g of sugars.

How much crab is 100 calories?

100 calories of crab is 120 g, about 3 crab.

More about crab

Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2706344. Original description: Crab. Portion weights are USDA household measures.