Is Watermelon Keto?

Melons
Watermelon sticker illustration
KETO VERDICTMODERATE

Watermelon can fit as a small fruit portion on keto: raw flesh contains 7.2g net carbs per 100 g in this reference. A 50 g serving contributes about 3.6g within a 20–25 g daily budget. Weigh the flesh you eat without the rind, rather than assigning one value to a whole wedge.

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YOUR PORTION

How much are you having?

Per 100 g (raw watermelon flesh). USDA FoodData Central.

Scales this reference to your portion, with no extra deductions. Calculation and units.

7.2gnet carbs in your portion

Total carbs
7.5g
Fiber
0.4g
Protein
0.6g
Fat
0.1g
Calories
30
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  • Net carbs (100 g)7.2g
  • Protein (100 g)0.6g
  • Fat (100 g)0.1g
  • Keto verdictEnjoy in moderation

NUTRITION FACTS

Per 100 g (raw watermelon flesh)

Net Carbs
7.2g
Total Carbs
7.5g
Fiber
0.4g
Protein
0.6g
Fat
0.1g
Calories
30

Source: USDA FoodData Central reference record

Source fit: generic reference; variety, brand, or preparation may differ

Net-carb calculation: total carbohydrate - fiber

The saved USDA record, Watermelon, raw, was recorded as accessed July 9, 2026 and reviewed September 6, 2026. Protein, fat and fiber are analytical; carbohydrate and energy are calculated. Values apply to the raw edible portion, not the whole purchased fruit including discarded parts. Household weights are source examples; weigh the portion you eat when fruit size or cut differs. This review did not obtain a new laboratory measurement or test a recipe.

Nutrition record reviewed 2026-09-06. Maintained by KetoLens Team.

HOW TO ENJOY IT ON KETO

  • Cut the edible watermelon into a separate bowl before weighing. Wedges carry different amounts of rind, so the gross weight of a slice is not the flesh weight used here.
  • For a fruit salad, record the watermelon separately from grapes, melon varieties and any syrup. A mixed-fruit cup cannot use the watermelon panel for its entire weight.
  • Blending the measured flesh does not remove its carbohydrate. A strained juice or a bottled watermelon drink is a different preparation and needs its own nutrition information.

PREPARATION SUGGESTIONS

MAKE A SMALL FRUIT SIDE

Serve weighed watermelon cubes next to the rest of the meal instead of eating from a large shared bowl. Any dressing, cheese or extra fruit belongs in the meal calculation separately.

Better keto swaps

  • Raspberry — 5.4g net carbs per 100 g (reference). Raspberries can replace watermelon in a small fruit bowl, with a lower net-carb reference and a different texture.
  • Coconut Meat — 6.2g net carbs per 100 g (reference). Fresh coconut pieces offer a chewable fruit accent when a juicy melon texture is not essential; use the fresh-meat record.
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