Watermelon is a hydrating summer fruit that offers plenty of essential vitamins. This fruit is sweet and low in calories, making it perfect to be consumed fresh as a smoothie or a juice. Watermelons are packed with dietary sources of lycopene, citrulline and nutrients such as vitamin A and C. Commonly, there are five types of watermelons available namely, seeded, seedless, yellow, orange, and mini. Here are some nutrition facts about 1 kg of watermelon having 300 calories with high amounts of vitamins and potassium.
1 Watermelon Calories |
1000 g |
Carbs |
75.5 g (89 percent) |
Protein |
6.1 g (7 percent) |
Fat |
1.5 g (4 percent) |
Vitamins & Minerals |
Vitamin A - 280 mcg Vitamin C - 81 mg Potassium - 1120 mg Calcium - 70 mg Iron - 2.4 mg |
How Many Calories Does Watermelon Have?
Watermelon is a refreshing fruit that is rich in antioxidants and provides numerous nutrients to the body. The fruit can be eaten in various ways by cutting it into wedges, dicing it up or by creating small portions of melon balls. So, let’s look at the number of calories in watermelon based on different servings and portion sizes of the fruit:
Portion Size |
Calories |
Watermelon calories in 1 kg |
300 |
Watermelon calories in 100 g |
30 |
Watermelon calories 1 cup (diced) |
46 |
Watermelon calories 1 cup (balls) |
46 |
Calories in half a watermelon (500 g) |
150 |
Calories in one watermelon wedge (1/16 of melon) |
86 |
Calories in Common Food Items With Watermelon
In case you want to experiment, you can combine watermelon with other fruits as well. The calories in watermelon can differ if you are having it as a juice or a smoothie, so here are a few watermelon items with the number of calories:
Type of Servings & Portion Size |
Calories |
Calories in one cup of watermelon juice (100 ml) |
30 |
Calories in one cup of watermelon smoothie (250 ml) |
75 |
Calories in one cup of watermelon & mango smoothie (100 ml) |
70 |
Calories in one cup of watermelon & banana smoothie (100 ml) |
50 |
Health Benefits of Watermelon
Watermelons provide numerous health benefits due to its rich nutrient content. Some of these include:
The two antioxidants, L-citrulline and L-arginine, which are present in watermelons may help improve the function of arteries. A study revealed that watermelon extract helped lower blood pressure around the ankles of middle-aged individuals with early hypertension and obesity.
Protects Against Heart Disease
Another antioxidant in watermelon, lycopene, may protect against heart disease by reducing inflammation which is linked with good cholesterol namely, High-Density Lipoprotein (HDL).
Many researchers believe that asthma develops due to free radicals. Certain antioxidants including vitamin C might help with lowering the risk of asthma. A diet that is rich in vitamin C, including watermelon, may provide some protection and help prevent asthma.
As watermelons are 90% water and contain electrolytes like potassium, the fruit helps the body stay hydrated during the summer.
Vitamin C, which is present in watermelons, is required by the body to produce collagen, essential for immune function and cell structure. Many studies suggest that vitamin C might help promote healthier skin and lower the risk of age-related damage to the skin.
A study showed that watermelon and watermelon juice with added L-citrulline helped with muscle soreness and enhanced the time required for recovery after exercise in athletes.
How Many Watermelons Should You Consume Every Day?
Even though watermelons are 90% water, the summer fruit is also rich in certain minerals and antioxidants. To avoid having large quantities of these nutrients in your body, you must consume smaller portions of watermelon. Consuming more than 30 mg of lycopene causes bloating, indigestion, nausea, etc. Thus, it is recommended to consume only four cups of watermelons.
Parting Thoughts
Maintaining a healthy diet and including fresh fruits and veggies in your meals can really help with keeping your body in good condition. Now that you know the calories in watermelons and it’s health benefits, you can work your way towards prioritising your health. Moreover, keeping a check on your BMR and BMI really goes a long way in meeting your health goals and staying fit.
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