Data last updated: April 2026

Feta Cheese vs Onion

Nutrition Comparison per 100g

Feta Cheese 4
vs
6 Onion

Dairy & Eggs vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Feta Cheese Onion Better
Calories 264kcal 40kcal Onion
Protein 14.2g 1.1g Feta Cheese
Total Fat 21.3g 0.1g Onion
Carbohydrates 4.1g 9.3g Onion
Fiber 0g 1.7g Onion
Sugar 4.1g 4.2g Feta Cheese
Vitamin C 0mg 7.4mg Onion
Calcium 493mg 23mg Feta Cheese
Iron 0.7mg 0.2mg Feta Cheese
Potassium 62mg 146mg Onion

Macronutrient Breakdown

Feta Cheese

Protein: 14.2g Fat: 21.3g Carbs: 4.1g

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.

Feta Cheese vs Onion — Key Takeaway

Onion has 224 fewer calories per 100g than Feta Cheese, making it the lighter option. For protein, Feta Cheese leads with 14.2g per 100g.

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