Cucumbers are not just easy to grow, they are also low in calories and high in nutrients. As a favorite food in many, if not most, diets, cucumbers are both filling and low in calories (about 40 average) and carbohydrates (around 4 net). Here is what else makes cucumbers so good for us. - Cucumbers are low in calories, carbs, and fat. - They are also a good source of vitamins C, K, and B6. - Cucumbers also contain minerals such as potassium, magnesium, and phosphorus. - They are also good source of dietary fiber, water, and antioxidants.