Cucumber is known to have the lowest amount of calories. The calorie content in a Cucumber varies according to its size and also based on whether it is peeled or unpeeled. There are 3 calories in 28 grams peeled Cucumber whereas in 28 grams unpeeled Cucumber there are 4 calories.
Similarly there are 12 calories in 100 grams peeled cucumber whereas in 100 grams unpeeled cucumber there are 15 calories. An eight and a half inch peeled cucumber contains 33 calories and a similar sized unpeeled cucumber contains 45 calories. A cup of peeled sliced cucumber contains 14 calories and unpeeled cucumber slices of equal quantity have 16 calories.
An average sized Cucumber is around 34 calories. It has a good nutritional value with around 1.7 grams of Proteins, 6 grams of Carbohydrates, 3.0 grams of simple sugars, 2.0 grams Dietary Fiber, 0.2 grams Starch and 0.4 grams of Fats.
It is known to be a great food for people planning to lose weight as it has a good amount of nutrients which provide the required food value and is less in calories at the same time. It provides a good amount of dietary fiber which helps in digestion. Fiber is also good for heart; it helps in keeping the heart healthy by reducing the triglycerides and cholesterol level.
Cucumber is also quite rich in dietary fiber. Around 25% of the suggested daily intake of Vitamin K is present in one large cucumber. Vitamin K helps in healing the wounds, keeping bones strong and guards against oxidative damage. A large sized cucumber also provides around 15% of the suggested daily intake of Vitamin C, which helps in absorbing iron and is good for eyes and skin. It also contains some amount of other Micronutrients such as Potassium, Copper, Folate and Manganese which are also helpful in keeping the body healthy.