The Grading Room

Every food, graded. No vibes — just the numbers.

Home / Fruits / Watermelon

Watermelon — RawD
Fruits · #36 of 40

Watermelon

Raw · Melons

39/100D tier
Calories3
Protein0.6g
Fiber0.4g
Sodium1mg
Sugar—g

Graded D — 39 out of 100, #36 of 40 fruits. Low energy density carries the score (100/100); micronutrients drags it down (4/100).

The short version: Mostly water, honestly — but 30 calories of refreshing mostly-water.

Nutrition facts

Nutrition Facts

per 100g
Calories3
% Daily Value*
Total Fat 0.2g0%
Saturated Fat 0g
Cholesterol 0mg
Sodium 1mg0%
Dietary Fiber 0.4g1%
Protein 0.6g1%
Vitamin C 8mg9%
Vitamin A 28mcg RAE3%
Potassium 112mg2%
* % Daily Values use FDA label references (2,000-calorie diet). Micronutrient %DV uses the same reference values as our scoring. Values: USDA SR Legacy or the manufacturer/chain’s published label.

Why it scored 39

Low energy density ×15100
Clean label ×2099
Fiber ×2511
Micronutrients ×404

Each factor is scored 0–100, then combined with the weights shown. Read the full methodology.

Where it ranks

#36 of 40 in Fruits. Why per-100-calorie scoring changes everything →

More melons

Questions people ask

Is Watermelon healthy?

It grades D — 39 out of 100, #36 of 40 fruits in our system. Mostly water, honestly — but 30 calories of refreshing mostly-water.

How many calories are in Watermelon?

3 calories per 100g. For context, that is scored per 100 calories here, which is why energy-dense foods can grade lower than you’d expect.

How is the nutrition score for Watermelon calculated?

Each factor (protein, fiber, micronutrients, and others depending on the category) is scored 0–100 against a fixed benchmark, then combined with published weights. See the score breakdown above or read the full methodology.

A note before you eat your screen: grades are computed from published nutrition data with a transparent formula. They are a starting point for thinking about food, not medical advice. Talk to your doctor or a registered dietitian about your diet.