USDA reference food · Finfish and Shellfish Products

Crustaceans, crab, alaska king, cooked, moist heat

3 oz of crustaceans, crab, alaska king, cooked, moist heat (85 g) has 80 calories, 16g of protein, 1.5g of fat and 0g of fiber (USDA FoodData Central, SR Legacy, FDC 174202). It is one of 17 USDA descriptions of crab.

FoodData Central 174202, SR Legacy, in the April 30, 2026 release; USDA record.

Nutrition Facts

Serving size3 oz (85g)

AmountPortion

Amount per serving

Calories80

% Daily Value*

Total Fat 1.5g2%

Saturated Fat 0g1%

Trans Fat not declared

Cholesterol 45mg15%

Sodium 910mg40%

Total Carbohydrate 0g0%

Dietary Fiber 0g0%

Total Sugars not declared

Includes Added Sugars not declared

Protein 16g33%

Vitamin D not declared

Calcium 50mg4%

Iron 0.6mg4%

Potassium 220mg5%

* 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 (SR Legacy), scaled to the portion. Check the USDA record.

Protein per 100 g: 19.4g; more than 71% of 8,218 USDA reference foods
Calories per 100 g: 97; more than 27% of reference foods
Fiber per 100 g: 0g; more than 0% of reference foods

What a portion gives you

Fiber 0g0%

Protein 16g33%

Potassium 220mg5%

Calcium 50mg4%

Iron 0.6mg4%

Sodium 910mg40%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, SR Legacy (FDC 174202); FDA Daily Values, 21 CFR 101.9.

Also rich in

Vitamin B129.8 µg in 3 oz (85 g), 407% of the Daily Value
Copper1.0 mg in 3 oz (85 g), 112% of the Daily Value
Selenium34 µg in 3 oz (85 g), 62% of the Daily Value
Zinc6.5 mg in 3 oz (85 g), 59% of the Daily Value
Phosphorus238 mg in 3 oz (85 g), 19% of the Daily Value
Magnesium54 mg in 3 oz (85 g), 13% of the Daily Value
Folate43 µg DFE in 3 oz (85 g), 11% of the Daily Value

Source: USDA FoodData Central (FDC 174202), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 0% carbohydrate, 15% fat and 85% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 g	This food	Share with less
Calories	97.0	27%
Protein	19.4 g	71%
Total fat	1.54 g	32%
Carbohydrate	0 g	0%
Fiber	0 g	0%
Sodium	1,072 mg	96%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 7,472 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (68)

The portion is 3 oz (85 g); % DV is for that portion.

Energy, macronutrients and sugars (11)

Nutrient	Per portion	Per 100 g	% DV
Protein	16.4 g	19.4 g	33%
Total lipid (fat)	1.31 g	1.54 g	2%
Carbohydrate, by difference	0 g	0 g	0%
Ash	1.57 g	1.85 g
Energy	82.5 kcal	97.0 kcal
Water	65.9 g	77.5 g
Fiber, total dietary	0 g	0 g	0%
Cholesterol	45.0 mg	53.0 mg	15%
Fatty acids, total saturated	0.11 g	0.13 g	1%
Fatty acids, total monounsaturated	0.16 g	0.18 g
Fatty acids, total polyunsaturated	0.46 g	0.54 g

Minerals (10)

Nutrient	Per portion	Per 100 g	% DV
Calcium, Ca	50.1 mg	59.0 mg	4%
Iron, Fe	0.65 mg	0.76 mg	4%
Magnesium, Mg	53.5 mg	63.0 mg	13%
Phosphorus, P	238 mg	280 mg	19%
Potassium, K	223 mg	262 mg	5%
Sodium, Na	911 mg	1,072 mg	40%
Zinc, Zn	6.48 mg	7.62 mg	59%
Copper, Cu	1.00 mg	1.18 mg	112%
Manganese, Mn	0.034 mg	0.040 mg	1%
Selenium, Se	34.0 µg	40.0 µg	62%

Vitamins (13)

Nutrient	Per portion	Per 100 g	% DV
Retinol	7.65 µg	9.00 µg
Vitamin A, RAE	7.65 µg	9.00 µg	1%
Vitamin C, total ascorbic acid	6.46 mg	7.60 mg	7%
Thiamin	0.045 mg	0.053 mg	4%
Riboflavin	0.047 mg	0.055 mg	4%
Niacin	1.14 mg	1.34 mg	7%
Pantothenic acid	0.34 mg	0.40 mg
Vitamin B-6	0.15 mg	0.18 mg	9%
Folate, total	43.4 µg	51.0 µg
Vitamin B-12	9.78 µg	11.5 µg	407%
Folic acid	0 µg	0 µg
Folate, food	43.4 µg	51.0 µg
Folate, DFE	43.4 µg	51.0 µg	11%

Amino acids (18)

Nutrient	Per portion	Per 100 g
Tryptophan	0.23 g	0.27 g
Threonine	0.67 g	0.78 g
Isoleucine	0.80 g	0.94 g
Leucine	1.31 g	1.54 g
Lysine	1.43 g	1.68 g
Methionine	0.46 g	0.55 g
Cystine	0.18 g	0.22 g
Phenylalanine	0.69 g	0.82 g
Tyrosine	0.55 g	0.64 g
Valine	0.77 g	0.91 g
Arginine	1.44 g	1.69 g
Histidine	0.33 g	0.39 g
Alanine	0.93 g	1.10 g
Aspartic acid	1.70 g	2.00 g
Glutamic acid	2.81 g	3.30 g
Glycine	0.99 g	1.17 g
Proline	0.54 g	0.64 g
Serine	0.65 g	0.76 g

Fatty acids (16)

Nutrient	Per portion	Per 100 g
SFA 10:0	0.0026 g	0.0030 g
SFA 12:0	0.0034 g	0.0040 g
SFA 14:0	0.013 g	0.015 g
SFA 16:0	0.074 g	0.087 g
SFA 18:0	0.016 g	0.019 g
MUFA 18:1	0.076 g	0.089 g
PUFA 18:2	0.017 g	0.020 g
PUFA 18:3	0.012 g	0.014 g
PUFA 20:4	0.037 g	0.043 g
PUFA 22:6 n-3 (DHA)	0.10 g	0.12 g
MUFA 16:1	0.035 g	0.041 g
PUFA 18:4	0.013 g	0.015 g
MUFA 20:1	0.012 g	0.014 g
PUFA 20:5 n-3 (EPA)	0.25 g	0.29 g
MUFA 22:1	0.032 g	0.038 g
PUFA 22:5 n-3 (DPA)	0.026 g	0.031 g

Source: USDA FoodData Central, FDC 174202: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat crab

USDA lists 17 preparations of crab. The crab page puts them side by side, per 100 g and per portion.

Compare every crab preparation

Next questions

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Sources for this page

USDA FoodData Central: this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation: what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies: survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food: the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims: the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label: the 5% and 20% Daily Value rule. fda.gov