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Thick, long segmented king crab legs and oversized claws are arranged on a plate, their vivid red-orange shells covered in small pointed bumps, with sections of firm white meat exposed.
●Low GI
★Natural
💪High Protein

King crab Calories

Very high protein, low fat, excellent B12 and zinc source, low calorie

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

84kcal

GI

0low

POTASSIUM · 100 G

262mg

FIBER · 100 G

0g

Quick answer

1 piece (medium) of King crab (120 g) has 101 calories. That works out to 84 calories per 100 g. It contains 0 g of carbs, 22 g of protein, 1.3 g of fat and 0 g of fiber. Its 11.8 µg of B12 covers 490% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

King crab Nutrition Facts

Selected: 1 piece (medium) · 120 g

101

KCAL / 120G

Carbs

0g

· 0% DV

Protein

22g

· 44% 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 88% · Fat 12%

King crab nutrition facts table · 1 piece (medium) (120 g)

NutrientAmount% DV
Calories101 kcal
Total fat1.3 g2%
Saturated fat0.16 g1%
Trans fat0 g
Sodium1003 mg44%
Total carbohydrate0 g0%
Fiber0 g0%
Protein22 g44%

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 King crab?

ServingAmountCalories
1 piece (medium)120 g101 kcal
1 ounce (small)28 g24 kcal
1 piece (small)80 g67 kcal
100 g100 g84 kcal
1 serving (medium)100 g84 kcal
1 cup (medium)135 g113 kcal
1 piece (large)180 g151 kcal
1 serving (large)200 g168 kcal
1 piece (extra large)240 g202 kcal

Calculated from 84 calories per 100 g.

Frequently Asked Questions About King crab

How do you cook king crab legs?

King crab legs are usually sold already cooked, so you generally only need to warm them through. Steam them briefly or heat them covered in the oven with a little water; prolonged heating can make the meat tough.

Why is king crab so expensive?

King crab can be costly because harvesting and processing it are demanding, and much of the supply comes from remote, cold-water fisheries. Its large, meaty legs are also prized as a premium seafood serving.

What does king crab taste like?

King crab tastes mildly sweet, delicate, and briny, with a firm yet tender texture. Its flavor is sometimes compared with lobster, and simple accompaniments such as lemon or melted butter let the crab remain the focus.

What is the difference between king crab and snow crab?

King crab is generally larger, with thick, spiny legs and substantial chunks of meat. Snow crab has longer, slimmer legs and a more delicate texture; both are sweet, but their size and shell structure make them quite different to serve.

How do you crack and eat king crab legs?

Use seafood scissors or a crab cracker to open the shell and remove the meat. Cut along the leg or near its joints rather than crushing it too hard, and handle sharp shell edges carefully.

Where does king crab come from?

King crab species live in cold seas, and red king crab is especially associated with Alaska and the Bering Sea. The exact origin depends on the species and supplier, so check the product’s stated source if provenance matters to you.

Are king crab legs sold raw or already cooked?

Most king crab legs sold in shops are cooked soon after harvest and then frozen. Their red shells and cooked meat are clues, but packaging is the best way to confirm whether a particular product is raw or cooked.

How should you thaw frozen king crab?

Thaw frozen king crab slowly in the refrigerator to preserve its texture and keep it safely cold. Follow any package instructions, and do not refreeze crab that has already been thawed.

What should you serve with king crab?

Serve king crab with lemon and melted butter, plus simple sides such as potatoes, corn, or a green salad. Mild accompaniments work well because strongly spiced dishes can overwhelm the crab’s naturally sweet flavor.

How long does cooked king crab keep in the refrigerator?

Refrigerate leftover cooked king crab promptly in a covered container and eat it soon; seafood should not sit out at room temperature. Discard it if it has an off smell, a sticky texture, or has been left unrefrigerated for too long.

King crab Vitamins & Minerals

Vitamins

B12

11.76µg · 490% DV

B5

0.6mg · 12% DV

B3

1.8mg · 11% DV

Vitamin C

8.4mg · 9% DV

Minerals

Iodine

156µg · 104% DV

Copper

0.84mg · 93% DV

Zinc

9.12mg · 83% DV

Selenium

43µg · 78% DV

Sodium

1003mg · 44% DV

Potassium ⭐

314mg · 9% DV

King crab 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 King crab

To burn the 101 calories in 1 piece (medium) (120 g):

🚶

25min

Walking (5 km/h)

🏃

10min

Running (8 km/h)

🚴

14min

Cycling

🏊

12min

Swimming

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

What is King crab?

King crab is a large cold-water crab, prized for the generous meat in its legs and harvested in northern waters such as those off Alaska and Norway. Its flesh is mildly sweet, tender and pleasantly flaky. It is often served simply boiled or steamed, either chilled with a dipping sauce or warm with melted butter; at home, the legs can be cracked and the meat added to salads, pasta or seafood platters. Keep cooking brief so the meat stays moist.

It is notably high in protein and low in fat, with 18.3 g of protein per 100 g. Pair it with crisp vegetables and lemon for a lighter plate, or serve with potatoes or rice for a more substantial meal.

How Nutritious Is King crab?

Nutrient density

High

75/ 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 King crab Processed?

NOVA 1

Unprocessed

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 King crab 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 King crab 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

King crab Fat Profile

SATURATED

0.16g

MONOUNSATURATED

0.2g

POLYUNSATURATED

0.44g

⚖️

Omega 6:3 ratio 0.2:1

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

Compare King crab

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🐟

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🐟

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110 kcal

🐟

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Nutrition data compiled from USDA FoodData Central and scientific sources.