Proteins · Nutrition facts
🦀Calories in Crab
A 3 oz cooked of crab (85 g) has 82 calories, with 16.2 g protein, 0 g carbs and 1.3 g fat.
Calories
82
Protein
16.2 g
Carbs
0 g
Fat
1.3 g
Crab nutrition by serving size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 3 oz cooked | 82 | 16.2 g | 0 g | 1.3 g |
| 100 g | 97 | 19 g | 0 g | 1.5 g |
| 1 oz (28 g) | 27 | 5.4 g | 0 g | 0.4 g |
| 1 cup (≈225 g) | 218 | 42.8 g | 0 g | 3.4 g |
| 200 g | 194 | 38 g | 0 g | 3 g |
Values are approximate, rounded from USDA FoodData Central and OpenFoodFacts references. Real plates vary — that's exactly why CalorieScan AI lets you correct any estimate in plain English.
Macro breakdown
- Per 100 g: 97 cal
- Per 1 oz: 27 cal
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Crab vs other proteins
Frequently asked
How many calories are in crab?
One 3 oz cooked of crab (85 g) has about 82 calories. Per 100 g, crab has 97 calories.
How much protein is in crab?
A 3 oz cooked serving of crab provides roughly 16.2 g of protein (19 g per 100 g).
What are the macros for crab?
Per 3 oz cooked: 16.2 g protein, 0 g carbs and 1.3 g fat — that's roughly 85% protein, 0% carbs and 15% fat by calories.
How do I log crab without weighing it?
Take a photo of your plate in CalorieScan AI. The app recognises crab, estimates the portion, and returns calories and macros in about three seconds — then you can fine-tune it in plain English ("make that two servings").
Stop looking up calories.
Snap a photo of crab — or any meal — and CalorieScan AI does the math. Free on iPhone.
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