Data last updated: April 2026

Hamburger vs Onion

Nutrition Comparison per 100g

Hamburger 5
vs
5 Onion

Fast Food vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Hamburger Onion Better
Calories 295kcal 40kcal Onion
Protein 17g 1.1g Hamburger
Total Fat 14g 0.1g Onion
Carbohydrates 24g 9.3g Hamburger
Fiber 1.3g 1.7g Onion
Sugar 5.2g 4.2g Onion
Vitamin C 1mg 7.4mg Onion
Calcium 126mg 23mg Hamburger
Iron 2.4mg 0.2mg Hamburger
Potassium 230mg 146mg Hamburger

Macronutrient Breakdown

Hamburger

Protein: 17g Fat: 14g Carbs: 24g

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.

Hamburger vs Onion — Key Takeaway

Onion has 255 fewer calories per 100g than Hamburger, making it the lighter option. For protein, Hamburger leads with 17g per 100g.

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