Watercress vs Romaine lettuce: Which Has More Calories?
Per 100 g, Watercress has 11 kcal and Romaine lettuce has 17 kcal, so Watercress has 35% fewer calories.
Watercress has more protein (2.3 g vs 1.23 g). Romaine lettuce has more fiber (2.1 g vs 0.5 g). Romaine lettuce has more carbohydrates (3.29 g vs 1.29 g). Relative to calories, Watercress is the better protein source (20.9 g vs 7.24 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
Watercress vs Romaine Lettuce 100g Compare
| per 100g | Watercress | Romaine lettuce |
|---|---|---|
| Calories | 11 | 17 |
| Carbohydrates | 1.29 g | 3.29 g |
| Fat | 0.1 g | 0.3 g |
| Dietary fiber | 0.5 g | 2.1 g |
| Protein | 2.3 g | 1.23 g |
| Calcium | 120 mg | 33 mg |
| Iron | 0.2 mg | 0.97 mg |
| Magnessium | 21 mg | 14 mg |
| Potassium | 330 mg | 247 mg |
| Sodium | 41 mg | 8 mg |
| Vitaminium A | 3191 IU | 8710 IU |
| Vitaminium B1 (Thiamine) | 0.09 mg | 0.072 mg |
| Vitaminium B2 (riboflavin) | 0.12 mg | 0.067 mg |
| Vitaminium B3 (Niacin) | 0.2 mg | 0.313 mg |
| Vitaminium B6 | 0.129 mg | 0.074 mg |
| Vitaminium B9 (Folic acid) | 9 µg | 0.136 µg |
| Vitaminium C | 43 mg | 4 mg |
| Vitaminium E | 1 mg | 0.13 mg |
| Vitaminium K | 250 µg | 0.103 µg |
Less Calories in Watercress
At first glance, you can see that in watercress is much less calories than in romaine lettuce.
Watercress has 11 kcal per 100g and romaine lettuce 17 kcal per 100g so it is pretty easy to calculate that the difference is about 55%.
Additionally, it is also easy to notice that most of the calories in watercress comes from protein and in romaine lettuce from carbs.
See tables below to compare watercress with romaine lettuce in details.
Watercress 100g
11kcalCalories source
- 34% CARBS.
- 60% PROTEIN
- 6% FAT
Romaine lettuce 100g
17kcalCalories source
- 63% CARBS
- 24% PROTEIN
- 13% FAT
Compares of watercress
Compares of romaine lettuce
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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.