Data last updated: April 2026

Butternut Squash vs Onion

Nutrition Comparison per 100g

Butternut Squash 7
vs
2 Onion

Vegetables vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Butternut Squash Onion Better
Calories 45kcal 40kcal Onion
Protein 1g 1.1g Onion
Total Fat 0.1g 0.1g Tie
Carbohydrates 11.7g 9.3g Butternut Squash
Fiber 2g 1.7g Butternut Squash
Sugar 2.2g 4.2g Butternut Squash
Vitamin C 21mg 7.4mg Butternut Squash
Calcium 48mg 23mg Butternut Squash
Iron 0.7mg 0.2mg Butternut Squash
Potassium 352mg 146mg Butternut Squash

Macronutrient Breakdown

Butternut Squash

Protein: 1g Fat: 0.1g Carbs: 11.7g

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.

Butternut Squash vs Onion — Key Takeaway

Butternut Squash provides 21mg of vitamin C.

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