Is 1 cup of watermelon keto friendly?

1 Cup Diced (154g) of Watermelon has 11.1g net carbs and is classified as Moderate Carbs. Keep this in mind when tracking your daily carb intake on a keto or low-carb diet.

How Many Carbs in 1 Cup Diced (154g) of Watermelon?

11.1g

Net Carbs per 1 Cup Diced (154g)

⚠️ Moderate Carbs

Total carbs: 11.7g | Fiber: 0.6g | Calories: 46 kcal

11.1g

Net Carbs

Calories

0.9g

Protein

0.3g

Fat

Calories	46 kcal
Total Carbohydrates	11.7g
Dietary Fiber	0.6g
Sugars	9.5g
→ Net Carbs	11.1g
Protein	0.9g
Total Fat	0.3g

Calories	30 kcal
Total Carbohydrates	7.6g
Dietary Fiber	0.4g
Sugars	6.2g
→ Net Carbs	7.2g
Protein	0.6g
Total Fat	0.2g

The Quick Answer

1 Cup Diced (154g) of Watermelon contains 11.1g net carbs and 46 calories. Net carbs are calculated by subtracting 0.6g of dietary fiber from 11.7g of total carbohydrates. This serving size weighs approximately 154g.

All nutrition data is sourced from the USDA FoodData Central database using raw, fresh watermelon values.

Is 1 Cup Diced (154g) of Watermelon Keto Friendly?

With 11.1g net carbs, 1 Cup Diced (154g) of Watermelon is moderate in carbs. Occasional consumption may fit a low-carb diet if the rest of your day's intake is very low.

Net carbs are what matter on a ketogenic or low-carb diet — not total carbs. Only net carbs raise blood sugar and trigger insulin. Use our Keto Macro Calculator to find your personal daily net carb limit.

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Lower-Carb Ways to Eat 1 Cup Diced (154g) of Watermelon

1 Cup Diced (154g) of Watermelon has a moderate carb count. These tips help you enjoy it while keeping your daily total in check.

Instead of	Try this	Carb-smart tip
1 cup watermelon (~11g net carbs)	1 cup strawberries (~6g net carbs)	More volume, more fiber, fewer carbs
Watermelon on a hot day	Cucumber-lime agua fresca (water + cucumber + lime)	Hydrating, refreshing, ~1g net carbs

🆕 Want the complete list? Get the free Low-Carb Swap Cheat Sheet →

How Net Carbs Are Calculated

Net carbs = Total Carbs − Dietary Fiber. For 1 Cup Diced (154g) of Watermelon: 11.7g − 0.6g = 11.1g net carbs. Fiber is subtracted because it passes through the digestive system unabsorbed and does not raise blood sugar or trigger an insulin response.

Frequently Asked Questions

1 Cup Diced (154g) of Watermelon contains 11.7g total carbohydrates and 11.1g net carbs. Net carbs are calculated by subtracting 0.6g of dietary fiber from the total carbs.

1 Cup Diced (154g) of Watermelon has 46 calories, with 0.9g protein, 0.3g fat, and 11.7g total carbohydrates.

1 Cup Diced (154g) of Watermelon has 11.1g net carbs and is classified as Moderate Carbs. Track this serving carefully against your daily carb limit on keto.

1 Cup Diced (154g) of Watermelon has 11.1g net carbs (11.7g total carbs minus 0.6g fiber). Net carbs are what count toward your daily keto limit.

Watermelon has 7.6g total carbs and 7.2g net carbs per 100g (30 calories). 1 Cup Diced (154g) weighs 154g, which is why it contains 11.1g net carbs for that portion.

Nutrition data sourced from USDA FoodData Central. Serving weight is an average; actual weight may vary slightly.