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Fruits • USDA Verified

Watermelon Calories Calculator

Fresh raw watermelon delivers only 30 calories per 100 grams with 7.6g of natural fruit sugars, providing exceptional hydration and fullness per calorie.

State & Preparation: Raw, diced flesh • Source: USDA FoodData Central (FDC 167765)
Interactive Weighed Portion Scaler
Scale Watermelon by Exact Grams or Ounces
Density: 0.3 kcal/g
Quick Presets:
Standard reference serving: 1 cup diced (~152g)
Calculated Energy 100 g
30 kcal
Water Content: 91.4%
Protein
0.6g
Carbs
7.6g
Fat
0.2g

Calories in Watermelon per 100g

According to the official USDA FoodData Central laboratory analysis, a standard 100-gram serving of watermelon (Raw, diced flesh) contains 30 calories. Its macronutrient profile comprises 0.6g protein, 7.6g carbohydrates, and 0.2g dietary fat, with approximately 91.4g of bound water.

Watermelon Calories by Weighed Portion

Look up exact nutritional values across standard dietary serving increments:

Weight Calories Protein Carbohydrates Fat
25 g 8 kcal 0.1 g 1.9 g 0.1 g
50 g 15 kcal 0.3 g 3.8 g 0.1 g
75 g 23 kcal 0.4 g 5.7 g 0.2 g
100 g 30 kcal 0.6 g 7.6 g 0.2 g
150 g 45 kcal 0.9 g 11.4 g 0.3 g
200 g 60 kcal 1.2 g 15.2 g 0.4 g
250 g 75 kcal 1.5 g 19.0 g 0.5 g
300 g 90 kcal 1.8 g 22.8 g 0.6 g
400 g 120 kcal 2.4 g 30.4 g 0.8 g
500 g 150 kcal 3.0 g 38.0 g 1.0 g

Nutritional Profile of Watermelon (per 100g)

Energy
30 kcal
126 kJ
Protein
0.6 g
2 protein kcal
Carbs (Total)
7.6 g
0.4g dietary fiber
Fat (Lipids)
0.2 g
2 lipid kcal

Raw vs. Cooked Watermelon Dynamics

Composed of over 91% water, watermelon allows dieters to consume substantial plate volume with minimal caloric impact (30 kcal/100g).

Factors That Change Watermelon Calories

Contains natural citrulline and lycopene with a low glycemic load despite a high glycemic index. Always record the exact preparation method and use a calibrated digital kitchen scale for optimal caloric tracking precision.

Frequently Asked Questions

How many calories are in 100g of watermelon?

100 grams of watermelon (Raw, diced flesh) contains exactly 30 calories, with 0.6g protein, 7.6g carbohydrates, and 0.2g fat.

How many calories are in 50g of watermelon?

50 grams of watermelon provides 15 calories (0.3g protein, 3.8g carbs, and 0.1g fat).

How many calories are in 200g of watermelon?

200 grams of watermelon provides 60 calories (1.2g protein, 15.2g carbs, and 0.4g fat).

What factors alter the calories in watermelon?

Contains natural citrulline and lycopene with a low glycemic load despite a high glycemic index.