What does 100 calories of watermelon look like?

100 calories =2¼ cups (diced)333 g · 11.8 oz
Very low calorie density0.3 kcal/g
Each 🍉 = one cup (diced) (~152.0 g). The last icon shows a part of one.
Food volume for 100 kcal

Watermelon is about 92% water, so 100 calories is more than two cups.

Watermelon: 50 to 500 calories

CaloriesGramsOuncesCups (diced)
50 kcal167 g5.9 oz1
100 kcal333 g11.7 oz2¼
200 kcal667 g23.5 oz4⅓
300 kcal1000 g35.3 oz6½
500 kcal1666 g58.8 oz11

What's in 100 calories of watermelon

2.0 gprotein
25.2 gcarbs
0.5 gfat
1.3 gfiber

Protein 7% Carbs 89% Fat 4% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than watermelon:

Compare with other fruit

Food100 kcal isGrams
🍉 Watermelon2¼ cups (diced)333 g
🍋 Lemon6 lemons345 g
🍋 Lime5 limes333 g
🍓 Strawberries26 medium strawberries312 g
🍈 Cantaloupe1¾ cups (cubed)294 g
🍈 Honeydew melon1⅔ cups (diced)278 g
🍑 Peaches1¾ medium peaches256 g
🍊 Grapefruit2 grapefruit halves238 g
🍎 Applesauce (unsweetened)1 cup238 g
🫐 Blackberries233 g233 g
🥭 Papaya1⅔ cups (pieces)233 g
🍑 Nectarine1⅔ medium nectarines227 g
🍑 Plum3¼ plums217 g

See all fruit →

Questions

How much is 100 calories of watermelon?

100 calories of watermelon is about 333 g (11.8 oz), or roughly 2¼ cups (diced).

How many calories are in 100 g of watermelon?

30 calories per 100 g, according to USDA FoodData Central.

Is watermelon good for weight loss?

Very low calorie density (0.30 kcal per gram). You can eat a large volume of this food for few calories. 100 calories also gives you 2.0 g of protein and 1.3 g of fiber.

How many calories are in one cup (diced)?

About 46 calories.

How many cups (diced) is 200 calories?

About 4⅓ (667 g).

Free printable

The 100-calorie cheat sheet

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Watermelon, raw" (FDC ID 167765). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 1 cup, diced = 152.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.