Watermelons - Carbs, Glycemic Index, Fats, Minerals, Vitamins & much more

Picture of Watermelon

Watermelons consist of 0% fat, 1% protein, 8% carbs, 0% fiber and 90% water. With 37 of calories per 100g Watermelons are 43% lower than other foods in Fruit and fruit products. In total 0% of the calories in Watermelons are from fat, 11% from protein and 86% from carbohydrates.

  • High Glycemic Index Glycemic Index: 75
  • Moderate carbohydrate amount 12.0g carbohydrates per portion of 150g
  • Low Glycemic Load Glycemic Load: 9.0

Can you eat Watermelons for a low carb diet?

With 12g of carbs and a Glycemic Load of 9 in a portion of 150g, Watermelons can be consumed for a ketogenic or low-carb diet. Watermelons contain high amounts of Fructose, are Gluten free and have no Lactose.

Watermelons: nutrition facts & data

Nutrition facts
per 100g
Watermelons
avg Fruit and fruit products[1]
Calories (kcal) 37.0 86.1
Fat (g) 0.0 0.8
Protein (g) 1.0 0.9
Carbohydrates (g) 8.0 16.3
Mono- & Di-Saccharides (g) 8.0 16.3
Polysaccharides (g) 0.0 16.3
Fibers (g) 0.2 2.7
Sodium (mg) 1.0 56.4
Water (g) 90.0 75.5
[1] average of Fruit and fruit products

Breakdown in percent (%) of total calories

An average portion size (150g) of Watermelons contain:

  • 55.5 Calories
  • 0.0g of Fat
  • 1.5g of Protein
  • and 12.0g of Carbs
  • 1.5mg of sodium - 0.0% of the RDA for sodium.
  • 13.5mg of Magnesium, that covers 0.0% of the recommended daily allowance (RDA) for Magnesium.
  • 0.2mg of Zinc - 0.0% of the RDA for Zinc.
  • 0.3mg of Iron - 0.0% of the RDA for Iron.
  • 210.0mg of Potassium - 0.1% of the RDA for Potassium.
  • 9.0mg of Vitamin C - 0.1% of the RDA for Vitamin C.
  • No Vitamin B12

For every gram of carbs in Watermelons you get

  • 0.13 grams of protein compared to the average of 0.46g per gram of carbs among all foods. Other foods in Fruit and fruit products have on average 0.06g of proteins per 1 gram of carbs.
  • 0.00 grams of fat (total average 0.66g, other foods in Fruit and fruit products 0.05g)
  • 0.03 grams of fibers (total average 0.13g, other foods in Fruit and fruit products 0.17g)

Nutrient distribution per gram

What vitamins are in Watermelons?

Vitamins
per 100g
Watermelon
avg[1]
Vitamin C (mg) 6.0 44.5
Vitamin E (mg) 0.1 0.6
Vitamin B1 / Thiamine (mg) 0.0 0.0
Vitamin B2 (mg) 0.1 0.1
Vitamin B6 (mg) 0.1 0.1
Vitamin B9 / Folate (μg) 5.0 15.3
Vitamin B12 (μg) 0.0 0.0
Retinol (μg) 0.0 4.0
beta-Carotene (μg) 245.0
[1] average of Fruit and fruit products

Are Watermelons rich in vitamins?

info

The following chart displays the amount of vitamins per portion Size (150g) for Watermelon of the recommended daily allowance (RDA[1]) for each vitamin in percent.

[1]Avg. RDA for a 19-30 year old adult
Learn more about RDA values for vitamins by clicking on the names in the table above.

Minerals in Watermelons

Minerals
per 100g
Watermelon
avg[1]
Magnesium (mg) 9.0 17.4
Zinc (mg) 0.1 0.2
Sodium (mg) 1.0 56.4
Calcium (mg) 7.0 22.5
Iron (mg) 0.2 0.7
Potassium (mg) 140.0 224.3
Phosphorus (mg) 10.0 25.7
[1] average of Fruit and fruit products

Are Watermelons high in minerals?

info

Again, for every mineral contained in Watermelons we looked at the portion size (150g) and applied it to the recommended daily allowance (RDA[1]). Data is shown in percent of RDA per portion size.

[1]RDA for a 19-30 year old adult
Learn more about RDA values for minerals by clicking on the names in the table above.

Carbohydrates in Watermelons

8.0% of Watermelons are carbs, per serving of 150g that makes 12.0g of carbs.

Monosachharides and polysaccharides

Sugars
per 100g
Watermelon
avg[1]
Monosaccharides (g) 8.0 15.9
Polysaccharides (g) 0.0 0.3
Total carbs (g) 8.0 16.3
[1] average of Fruit and fruit products

How high are the Glycemic Index and the Glycemic Load for Watermelons?

The Glycemic Index of Watermelons is 75, which would be considered as high. The Glycemic Load in a normal serving is 9.0 and can be regarded as low.

Allergens in Watermelons

  • are Gluten free
  • have no Lactose
  • high amounts of Fructose

Fatty acids and cholesterol in Watermelons

Of the 0.0g total fat per 100g in Watermelons, 0.1g are saturated fatty acids (SFA), 0.1g are monounsaturated fatty acids (MUFA) and 0.0g are polyunsaturated fatty acids (PUFA). The amount of cholesterol is 0.0mg.