Which is healthier, Crab or Onion?

Neither is clearly better — they have different strengths. Crab has 97 calories and 19.4g protein per 100g, while Onion has 40 calories and 1.1g protein.

How many calories are in Crab vs Onion?

Crab contains 97 calories per 100g, while Onion contains 40 calories per 100g.

Which has more protein, Crab or Onion?

Crab has more protein with 19.4g per 100g compared to 1.1g.

Crab vs Onion

Nutrition Comparison per 100g

Crab 5

5 Onion

Seafood vs Vegetables

Side-by-Side Nutrition Facts

Nutrient	Crab	Onion	Better
Calories	97kcal	40kcal	Onion
Protein	19.4g	1.1g	Crab
Total Fat	1.5g	0.1g	Onion
Carbohydrates	0g	9.3g	Onion
Fiber	0g	1.7g	Onion
Sugar	0g	4.2g	Crab
Vitamin C	3.6mg	7.4mg	Onion
Calcium	59mg	23mg	Crab
Iron	0.7mg	0.2mg	Crab
Potassium	262mg	146mg	Crab

Macronutrient Breakdown

Crab

Protein: 19.4g Fat: 1.5g Carbs: 0g

Onion

Protein: 1.1g Fat: 0.1g Carbs: 9.3g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Crab vs Onion — Key Takeaway

Onion has 57 fewer calories per 100g than Crab, making it the lighter option. For protein, Crab leads with 19.4g per 100g.

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