Data last updated: April 2026

Onion vs Pinto Bean

Nutrition Comparison per 100g

Onion 3
vs
7 Pinto Bean

Vegetables vs Legumes & Soy

Side-by-Side Nutrition Facts

Nutrient Onion Pinto Bean Better
Calories 40kcal 143kcal Onion
Protein 1.1g 9g Pinto Bean
Total Fat 0.1g 0.7g Onion
Carbohydrates 9.3g 26.2g Pinto Bean
Fiber 1.7g 9g Pinto Bean
Sugar 4.2g 0.3g Pinto Bean
Vitamin C 7.4mg 0.8mg Onion
Calcium 23mg 46mg Pinto Bean
Iron 0.2mg 2.1mg Pinto Bean
Potassium 146mg 436mg Pinto Bean

Macronutrient Breakdown

Onion

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

Pinto Bean

Protein: 9g Fat: 0.7g Carbs: 26.2g

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.

Onion vs Pinto Bean — Key Takeaway

Onion has 103 fewer calories per 100g than Pinto Bean, making it the lighter option. For protein, Pinto Bean leads with 9g per 100g. Pinto Bean is the better source of fiber at 9g per 100g.

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