Data last updated: April 2026

Ketchup vs Onion

Nutrition Comparison per 100g

Ketchup 4
vs
5 Onion

Condiments vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Ketchup Onion Better
Calories 112kcal 40kcal Onion
Protein 1.7g 1.1g Ketchup
Total Fat 0.1g 0.1g Tie
Carbohydrates 27.4g 9.3g Ketchup
Fiber 0.3g 1.7g Onion
Sugar 22.8g 4.2g Onion
Vitamin C 4mg 7.4mg Onion
Calcium 14mg 23mg Onion
Iron 0.5mg 0.2mg Ketchup
Potassium 281mg 146mg Ketchup

Macronutrient Breakdown

Ketchup

Protein: 1.7g Fat: 0.1g Carbs: 27.4g

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.

Ketchup vs Onion — Key Takeaway

Onion has 72 fewer calories per 100g than Ketchup, making it the lighter option.

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