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Food · Finfish and Shellfish Products

Crab nutrition facts

A typical portion of crab (1 cup; 135 g, crab) has 110 calories and 24g of protein (USDA FoodData Central). USDA lists 17 descriptions of it: per 100 g they range from 83 calories (crab) to 227 (soft shell).

Nutrition Facts

Serving size1 cup (135g)
Amount per serving
Calories110
% Daily Value*
Total Fat 1g1%
Saturated Fat 0g1%
Trans Fat not declared
Cholesterol 130mg44%
Sodium 530mg23%
Total Carbohydrate 0g0%
Dietary Fiber 0g0%
Total Sugars 0g
Includes Added Sugars not declared
Protein 24g48%
Vitamin D 0mcg0%
Calcium 120mg9%
Iron 0.7mg4%
Potassium 350mg7%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g for Crab, scaled to the portion. Check the USDA record.

Protein per 100 g
17.9g
more than 68% of 8,218 USDA reference foods
Calories per 100 g
83
more than 24% of reference foods
Sodium per 100 g
395mg
more than 78% of reference foods

1 cup weighs 135 g in USDA's record for Crab (FDC 2706344); across 4 records of crab USDA weighs it at 135 to 170 g, so a linked record can show a different gram weight for the same measure.

Where the calories come from: 0% carbohydrate, 9% fat and 91% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Also rich in

  • Vitamin B124.5 µg in 1 cup (135 g), 187% of the Daily Value
  • Copper1.1 mg in 1 cup (135 g), 122% of the Daily Value
  • Selenium58 µg in 1 cup (135 g), 105% of the Daily Value
  • Zinc5.1 mg in 1 cup (135 g), 47% of the Daily Value
  • Phosphorus316 mg in 1 cup (135 g), 25% of the Daily Value
  • Niacin3.7 mg in 1 cup (135 g), 23% of the Daily Value
  • Choline109 mg in 1 cup (135 g), 20% of the Daily Value
  • Folate69 µg DFE in 1 cup (135 g), 17% of the Daily Value
  • Vitamin E2.5 mg in 1 cup (135 g), 17% of the Daily Value
  • Vitamin B60.2 mg in 1 cup (135 g), 12% of the Daily Value
  • Magnesium49 mg in 1 cup (135 g), 12% of the Daily Value

Source: USDA FoodData Central (FDC 2706344), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Every form of crab USDA describes

Soft shell has the most calories per 100 g (227); the fewest: Crab (83)

Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84Calories per 100 g by USDA description of crabCrab83Queen, cooked, moist heat115Dungeness, cooked, moist heat110Blue, crab cakes, home recipe155Alaska king, cooked, moist heat97Blue swimming, lump…86Queen, raw90Alaska king, raw84
Per 100 g, USDA FoodData Central. The violet bar is the form on the label at left.
All 17 USDA descriptions of crab, per 100 g
USDA descriptionCaloriesProteinFatSodium
CrabSame values: Crustaceans, crab, blue, cooked, moist heat8317.9 g0.7 g395 mg
Crustaceans, crab, queen, cooked, moist heat11523.7 g1.5 g691 mg
Crustaceans, crab, dungeness, cooked, moist heat11022.3 g1.2 g378 mg
Crustaceans, crab, blue, crab cakes, home recipe15520.2 g7.5 g330 mg
Crustaceans, crab, alaska king, cooked, moist heat9719.4 g1.5 g1,072 mg
Crustaceans, crab, blue swimming, lump, pasteurized, refrigerated8618.7 g0.8 g331 mg
Crustaceans, crab, queen, raw9018.5 g1.2 g539 mg
Crustaceans, crab, alaska king, raw8418.3 g0.6 g836 mg
Crustaceans, crab, blue, raw8718.1 g1.1 g293 mg
Crustaceans, crab, blue, cannedSame values: Crab, canned8317.9 g0.7 g563 mg
Crustaceans, crab, dungeness, raw8617.4 g1 g295 mg
Crab, soft shell22715.5 g12.7 g643 mg
Crab, cake21414.4 g15 g430 mg
Crabs in tomato-based sauce, Puerto Rican style14412.5 g8.9 g617 mg
Crustaceans, crab, alaska king, imitation, made from surimi957.6 g0.5 g529 mg

Every nutrient in this record (65)

The portion is 1 cup (135 g); % DV is for that portion.

Energy, macronutrients and sugars (12)
NutrientPer portionPer 100 g% DV
Protein24.1 g17.9 g48%
Total lipid (fat)1.0 g0.74 g1%
Carbohydrate, by difference0 g0 g0%
Energy112 kcal83.0 kcal
Alcohol, ethyl0 g0 g
Water108 g79.7 g
Total Sugars0 g0 g
Fiber, total dietary0 g0 g0%
Cholesterol131 mg97.0 mg44%
Fatty acids, total saturated0.27 g0.20 g1%
Fatty acids, total monounsaturated0.17 g0.13 g
Fatty acids, total polyunsaturated0.35 g0.26 g
Minerals (9)
NutrientPer portionPer 100 g% DV
Calcium, Ca123 mg91.0 mg9%
Iron, Fe0.68 mg0.50 mg4%
Magnesium, Mg48.6 mg36.0 mg12%
Phosphorus, P316 mg234 mg25%
Potassium, K350 mg259 mg7%
Sodium, Na533 mg395 mg23%
Zinc, Zn5.14 mg3.81 mg47%
Copper, Cu1.10 mg0.81 mg122%
Selenium, Se57.9 µg42.9 µg105%
Vitamins (23)
NutrientPer portionPer 100 g% DV
Retinol1.35 µg1.00 µg
Vitamin A, RAE1.35 µg1.00 µg0%
Carotene, beta0 µg0 µg
Carotene, alpha0 µg0 µg
Vitamin E (alpha-tocopherol)2.48 mg1.84 mg17%
Vitamin D (D2 + D3)0 µg0 µg0%
Cryptoxanthin, beta0 µg0 µg
Lycopene0 µg0 µg
Lutein + zeaxanthin0 µg0 µg
Vitamin C, total ascorbic acid4.46 mg3.30 mg5%
Thiamin0.031 mg0.023 mg3%
Riboflavin0.13 mg0.093 mg10%
Niacin3.71 mg2.75 mg23%
Vitamin B-60.21 mg0.16 mg12%
Folate, total68.8 µg51.0 µg
Vitamin B-124.50 µg3.33 µg187%
Choline, total109 mg80.9 mg20%
Vitamin K (phylloquinone)0.41 µg0.30 µg0%
Folic acid0 µg0 µg
Folate, food68.8 µg51.0 µg
Folate, DFE68.8 µg51.0 µg17%
Vitamin E, added0 mg0 mg
Vitamin B-12, added0 µg0 µg
Fatty acids (19)
NutrientPer portionPer 100 g% DV
SFA 4:00 g0 g
SFA 6:00 g0 g
SFA 8:00 g0 g
SFA 10:00 g0 g
SFA 12:00.0027 g0.0020 g
SFA 14:00.011 g0.0080 g
SFA 16:00.13 g0.098 g
SFA 18:00.097 g0.072 g
MUFA 18:10.12 g0.092 g
PUFA 18:20.027 g0.020 g
PUFA 18:30.012 g0.0090 g
PUFA 20:40.050 g0.037 g
PUFA 22:6 n-3 (DHA)0.090 g0.067 g
MUFA 16:10.036 g0.027 g
PUFA 18:40.0027 g0.0020 g
MUFA 20:10.0081 g0.0060 g
PUFA 20:5 n-3 (EPA)0.14 g0.10 g
MUFA 22:10 g0 g
PUFA 22:5 n-3 (DPA)0.012 g0.0090 g

Source: USDA FoodData Central, FDC 2706344: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.

Questions

How many calories are in crab?

110 in 1 cup (135 g) of crab; 83 to 227 per 100 g across USDA's descriptions.

How much protein is in crab?

24g in 1 cup; 17.9 g per 100 g.

How much sodium is in crab?

530mg in 1 cup; 395 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.

Sources for this page
USDA FoodData Central
the food and product records, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation
what each data type is and how branded records are submitted. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies
the survey foods and their portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food
the label format, rounding and Daily Values. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label
the 5% and 20% Daily Value rule. fda.gov