Onions (Raw)vsSweet Potato (Raw)

Sweet Potato (Raw) has more protein, Onions (Raw) is lower in calories, while Sweet Potato (Raw) is leaner.

Onions (Raw) has 40 calories and 1.1g protein per 100g. Sweet Potato (Raw) has 86 calories and 1.6g protein per 100g Sweet Potato (Raw) has more protein, Onions (Raw) is lower in calories.

🎯When to Eat What

Goal-based picks for Onions (Raw) vs Sweet Potato (Raw)

βš–οΈWatching your weight

Go with Onions (Raw) at just 40 kcal per 100g β€” 53% fewer calories.

πŸ«„Staying full longer

Sweet Potato (Raw) will keep you satisfied longer with 3g fiber β€” fat and protein slow digestion while fiber adds bulk.

⚑Quick energy boost

Sweet Potato (Raw) with 20.1g of carbs per 100g provides fast-acting energy β€” great before a workout.

❀️Heart health

Sweet Potato (Raw) is the heart-friendlier option with lower saturated fat, more fiber, more potassium.

🍌Electrolytes & cramp prevention

Sweet Potato (Raw) provides 337mg of potassium per 100g β€” important for muscle function and hydration.

πŸ›‘οΈImmune support

Onions (Raw) delivers 7.4mg of vitamin C per 100g β€” great for immune function and skin health.

πŸ”₯Calorie Breakdown

Onions (Raw)
40kcal
Protein10%
Carbs88%
Fat2%
Sweet Potato (Raw)
86kcal
Protein7%
Carbs92%
Fat1%

πŸ’ͺMacronutrient Comparison

Onions (Raw)Sweet Potato (Raw)
Proteinβœ“ Sweet Potato (Raw)
1.1g
1.6g
Carbohydratesβœ“ Sweet Potato (Raw)
9.3g
20g
Total Fatβœ“ Sweet Potato (Raw)
0.10g
<0.1g
Dietary Fiberβœ“ Sweet Potato (Raw)
1.7g
3.0g

πŸ•ΈοΈNutrient Profile

Protein2% Β· 3%Fiber6% Β· 11%Vit C8% Β· 3%Iron1% Β· 3%Calcium2% Β· 2%Potassium3% Β· 7%Vit A0% Β· 79%Magnesium2% Β· 6%
Onions (Raw)
Sweet Potato (Raw)

Values as % of Daily Value (capped at 150%)

πŸ“ŠFull Nutrition Comparison

NutrientOnionsSweet Potato Raw Unprepared IncludesDiff
πŸ’ͺMacronutrients
Calories40kcal2%86kcal4%<0.1kcal
Protein1.1g2%1.6g3%<0.1g
Total Fat0.10g0%<0.1g0%+<0.1g
Saturated Fat<0.1g0%<0.1g0%+<0.1g
Trans Fat0g0gβ€”
Cholesterol0mg0%0mg0%β€”
Carbohydrates9.3g3%20g7%<0.1g
Dietary Fiber1.7g6%3.0g11%<0.1g
Sugars4.2g4.2g+<0.1g
✨Vitamins
Vitamin A0mcg0%709mcg79%<0.1mcg
Vitamin C7.4mg8%2.4mg3%+5.0mg
Vitamin D0mcg0%0mcg0%β€”
Vitamin E<0.1mg0%0.26mg2%<0.1mg
Vitamin K0.40mcg0%1.8mcg2%<0.1mcg
Vitamin B60.12mg7%0.21mg12%<0.1mg
Vitamin B120mcg0%0mcg0%β€”
Folate19mcg5%11mcg3%+8.0mcg
Thiamin (B1)<0.1mg4%<0.1mg7%<0.1mg
Riboflavin (B2)<0.1mg2%<0.1mg5%<0.1mg
Niacin (B3)0.12mg1%0.56mg3%<0.1mg
πŸ”ΆMinerals
Sodium4.0mg0%55mg2%<0.1mg
Calcium23mg2%30mg2%<0.1mg
Iron0.21mg1%0.61mg3%<0.1mg
Potassium146mg3%337mg7%<0.1mg
Phosphorus29mg2%47mg4%<0.1mg
Magnesium10mg2%25mg6%<0.1mg
Zinc0.17mg2%0.30mg3%<0.1mg
Copper<0.1mg4%0.15mg17%<0.1mg
Manganese0.13mg6%0.26mg11%<0.1mg
Selenium0.50mcg1%0.60mcg1%<0.1mcg

πŸ”¬Nutritional Analysis

Calories: Onions (Raw) is significantly lower in calories at just 40 kcal per 100g compared to 86 kcal for Sweet Potato (Raw) β€” that's 115% fewer calories, making Onions (Raw) the better choice for calorie-conscious diets.

Protein: Both are similar in protein content, with Onions (Raw) providing 1.1g and Sweet Potato (Raw) providing 1.57g per 100g.

Fat: Sweet Potato (Raw) is the leaner option with 0.05g of total fat per 100g compared to 0.1g.

Key Vitamins: The most notable vitamin differences are in Vitamin A (Sweet Potato (Raw): 709mcg vs 0mcg), Vitamin E (Sweet Potato (Raw): 0.26mg vs 0.02mg), Niacin (B3) (Sweet Potato (Raw): 0.557mg vs 0.116mg).

Key Minerals: Notable mineral differences include Sodium (Sweet Potato (Raw): 55mg vs 4mg), Copper (Sweet Potato (Raw): 0.151mg vs 0.039mg), Iron (Sweet Potato (Raw): 0.61mg vs 0.21mg).

Diet Suitability: Both fit a low-fat diet. Both fit a low-sodium diet.

πŸ”—Related Comparisons

❓Frequently Asked Questions

Which has more protein, Onions (Raw) or Sweet Potato (Raw)?
Sweet Potato (Raw) has more protein with 1.57g per 100g compared to 1.1g for Onions (Raw).
Which is lower in calories, Onions (Raw) or Sweet Potato (Raw)?
Onions (Raw) is lower in calories with 40 kcal per 100g versus 86 kcal.
Is Onions (Raw) or Sweet Potato (Raw) healthier?
It depends on your goals. Onions (Raw) has 40 calories and 1.1g protein per 100g, while Sweet Potato (Raw) has 86 calories and 1.57g protein. Compare their full nutrition profiles to decide which fits your diet.
Which has less fat, Onions (Raw) or Sweet Potato (Raw)?
Sweet Potato (Raw) is leaner with 0.05g of fat per 100g compared to 0.1g.
Which has more fiber, Onions (Raw) or Sweet Potato (Raw)?
Sweet Potato (Raw) has more fiber with 3g per 100g compared to 1.7g.
Data from USDA FoodData Central. All values per 100g.