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Bright red-orange crab legs with hard, segmented shells and pointed tips are piled on a plate, with a few cracked sections showing firm white meat.
●Low GI
💪High Protein

Boiled crab legs Calories

High-protein, low-carb, rich in selenium and B12

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

97kcal

GI

0low

POTASSIUM · 100 G

280mg

FIBER · 100 G

0g

Quick answer

1 piece (medium) of Boiled crab legs (85 g) has 82 calories. That works out to 97 calories per 100 g. It contains 0 g of carbs, 16.5 g of protein, 1.3 g of fat and 0 g of fiber. Its 8.3 µg of B12 covers 347% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Boiled crab legs Nutrition Facts

Selected: 1 piece (medium) · 85 g

82

KCAL / 85G

Carbs

0g

· 0% DV

Protein

16.5g

· 33% DV

Fat

1.3g

· 2% DV

Fiber

0g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 0% · Protein 85% · Fat 15%

Boiled crab legs nutrition facts table · 1 piece (medium) (85 g)

NutrientAmount% DV
Calories82 kcal
Total fat1.3 g2%
Saturated fat0.17 g1%
Trans fat0 g
Sodium434 mg19%
Total carbohydrate0 g0%
Fiber0 g0%
Protein16.5 g33%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Boiled crab legs?

ServingAmountCalories
1 piece (medium)85 g82 kcal
1 piece (small)50 g49 kcal
3 ounce (medium)85 g82 kcal
100 g100 g97 kcal
1 serving (medium)120 g116 kcal
1 piece (large)130 g126 kcal
1 cup (shredded)140 g136 kcal
2 piece (double)170 g165 kcal
1 serving (large)180 g175 kcal

Calculated from 97 calories per 100 g.

Frequently Asked Questions About Boiled crab legs

Are boiled crab legs already cooked?

Yes, boiled crab legs are cooked and usually only need reheating before serving. Warm them gently with steam; boiling them again for a long time can make the meat dry and tough.

What is the best way to reheat boiled crab legs?

Steam boiled crab legs gently until hot throughout. You can also warm them in a covered pan with a little water; avoid prolonged heating, which can toughen the already-cooked meat.

How do you eat boiled crab legs?

You eat boiled crab legs by cracking the shell and pulling out the meat. Use a crab cracker or kitchen shears, then serve the meat with lemon or melted butter.

Can you reheat boiled crab legs from frozen?

Yes, you can warm frozen boiled crab legs without thawing them first. Steam them gently until hot throughout, allowing extra time compared with thawed legs, and avoid boiling them vigorously.

How do you crack boiled crab legs without a cracker?

Use kitchen shears to snip along the thinner side of each boiled crab leg, then peel the shell back. Cut carefully so the blades do not crush or scatter the meat.

Why are boiled crab legs tough or rubbery?

Boiled crab legs turn tough or rubbery when they are overheated. They are already cooked, so reheat them only until hot; extended boiling or steaming dries out the delicate meat.

What should you serve with boiled crab legs?

Serve boiled crab legs with corn, potatoes, coleslaw, or a crisp salad. Lemon and melted butter are classic accompaniments, while bread helps round out a simple seafood meal.

What sauce goes best with boiled crab legs?

Melted butter with lemon is a classic sauce for boiled crab legs. Garlic butter, a light mustard sauce, or cocktail sauce also works, depending on whether you want a richer or sharper flavor.

How long do boiled crab legs keep in the refrigerator?

Store boiled crab legs in a covered container in the refrigerator and eat them within a few days. Discard them if they smell sour or ammonia-like, feel slimy, or were left out for an extended period.

Are boiled crab legs healthy to eat?

Yes, boiled crab legs can be a nutritious source of protein and provide selenium and vitamin B12. They are naturally low in carbohydrate, but butter, sauces, and added salt can change the overall meal.

Boiled crab legs Vitamins & Minerals

Vitamins

B12

8.33µg · 347% DV

B3

2.3mg · 14% DV

B2

0.16mg · 12% DV

B5

0.51mg · 10% DV

Minerals

Copper

0.6mg · 67% DV

Selenium

36µg · 65% DV

Phosphorus

200mg · 29% DV

Iodine

38µg · 25% DV

Sodium

434mg · 19% DV

Potassium ⭐

238mg · 7% DV

Boiled crab legs Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Boiled crab legs

To burn the 82 calories in 1 piece (medium) (85 g):

🚶

20min

Walking (5 km/h)

🏃

8min

Running (8 km/h)

🚴

11min

Cycling

🏊

10min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Boiled crab legs?

Boiled crab legs are the legs of a crab cooked in their shells, a simple way to prepare seafood enjoyed in coastal cuisines around the world. The meat is tucked inside the shell and has a delicate, slightly sweet, briny flavour with a tender, flaky texture. You can serve the legs warm or chilled; cracking the shell is part of the meal, unless you buy the meat already picked.

In the United States, they often appear at seafood boils or with melted butter and lemon; elsewhere, they may be served simply with dipping sauces or alongside other seafood. Boiled crab legs are high in protein and very low in carbohydrates, with 19.4 g of protein per 100 g. Lemon and a crisp salad make an easy, lighter pairing.

How Nutritious Is Boiled crab legs?

Nutrient density

High

78/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

59/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Boiled crab legs Processed?

NOVA 2

Minimally Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Boiled crab legs Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Boiled crab legs Good For?

Vegan

— Not suitable

Vegetarian

— Not suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Boiled crab legs Fat Profile

SATURATED

0.17g

MONOUNSATURATED

0.26g

POLYUNSATURATED

0.34g

⚖️

Omega 6:3 ratio 0.1:1

Below the ideal 4:1 — a good omega balance.

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116 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.