Calories in Onion

Macro calorie breakdown

Using the common 4 kcal per gram for protein, 4 kcal per gram for carbs, and 9 kcal per gram for fat convention, the 1 medium (110 g) serving breaks into these macro-derived calorie shares.

• Protein: 1.2 g, about 4.8 kcal, or 10.2% of macro-derived calories.
• Carbs: 10.3 g, about 41.2 kcal, or 87.8% of macro-derived calories.
• Fat: 0.1 g, about 0.9 kcal, or 1.9% of macro-derived calories.

That equals 2.7 g protein per 100 calories for this serving.

Serving and 100 g context

The labeled serving is 110 g, which is 1.1 times the 100 g reference amount. That serving lists 44 calories, while the 100 g reference lists 40 kcal.

For macros, the same serving shows 1.2 g protein, 10.3 g carbs, and 0.1 g fat. The 100 g reference shows 1.1 g protein, 9.34 g carbs, and 0.1 g fat.

Other measured nutrients

Fiber is 1.9 g per 1 medium (110 g) and 1.7 g per 100 g in the USDA data.

Sugar is 4.7 g per 1 medium (110 g) and 4.24 g per 100 g in the USDA data.

Sodium is 4.4 mg per 1 medium (110 g) and 4 mg per 100 g in the USDA data.

Tracking calories in Onion

Use this page as a fixed reference for Onion, then log the portion you actually ate in TrueCal. Start from the TrueCal home page, see how food logging works, review tracking features, or compare plan details on pricing.

More calorie references

Compare this entry with other TrueCal food references:

• All calorie references
• Calories in Broccoli
• Calories in Sweet potato
• Calories in Baked potato
• Calories in Corn (sweet, boiled)