Onion vs Yam: Which Has More Calories?
Per 100 g, Onion has 40 kcal and Yam has 118 kcal, so Onion has 66% fewer calories.
Yam has more fiber (4.1 g vs 1.7 g). Yam has more carbohydrates (27.9 g vs 9.34 g). Relative to calories, Onion is the better protein source (2.75 g vs 1.3 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
Onion vs Yam 100g Compare
| per 100g | Onion | Yam |
|---|---|---|
| Calories | 40 | 118 |
| Carbohydrates | 9.34 g | 27.88 g |
| Fat | 0.1 g | 0.17 g |
| Dietary fiber | 1.7 g | 4.1 g |
| Protein | 1.1 g | 1.53 g |
| Water | 89.11 g | 69.6 g |
| Calcium | 23 mg | 17 mg |
| Iron | 0.21 mg | 0.54 mg |
| Magnessium | 10 mg | 21 mg |
| Potassium | 146 mg | 816 mg |
| Sodium | 4 mg | 9 mg |
| Vitaminium A | 2 IU | 138 IU |
| Vitaminium B1 (Thiamine) | 0.046 mg | 0.112 mg |
| Vitaminium B2 (riboflavin) | 0.027 mg | 0.032 mg |
| Vitaminium B3 (Niacin) | 0.116 mg | 0.552 mg |
| Vitaminium B5 | 0.123 mg | 0.314 mg |
| Vitaminium B6 | 0.12 mg | 0.293 mg |
| Vitaminium B9 (Folic acid) | 0.019 µg | 0.023 µg |
| Vitaminium C | 7.4 mg | 17.1 mg |
| Vitaminium E | 0.02 mg | 0.35 mg |
| Beta karoten | 1 µg | 83 µg |
Less Calories in Onion
At first glance, you can see that in onion is much less calories than in yam.
Onion has 40 kcal per 100g and yam 118 kcal per 100g so it is pretty easy to calculate that the difference is about 195%.
In onion and in yam most calories came from carbs.
See tables below to compare onion with yam in details.
Onion 100g
40kcalCalories source
- 88% CARBS.
- 10% PROTEIN
- 2% FAT
Yam 100g
118kcalCalories source
- 94% CARBS
- 5% PROTEIN
- 1% FAT
Compares of onion
Compares of yam
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About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.