Is coconut water keto?

Coconut water

Not keto No — coconut water is not keto-friendly.

Marketed as an electrolyte drink but has about 10 g sugar per cup. Use sugar-free electrolyte mixes or salty broth instead.

Nutrition per serving

1 cup · 245 g
Net carbs
10g
Calories
44kcal
Protein
0.5g
Fat
0g
Total carbs
10 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 52%

About 119 g of coconut water adds up to 5 g net carbs — about 49% of a typical serving.

Nutrition facts for coconut water
NutrientPer servingPer 100 g
Calories44 kcal18 kcal
Total carbohydrate10 g4.2 g
Dietary fiber0 g0 g
Net carbs10 g4.2 g
Sugars 9.6 g 3.9 g
Protein0.5 g0.2 g
Fat0 g0 g

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Better keto swaps for coconut water

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Low-carb recipes that replace coconut water

Frequently asked questions

Is coconut water keto?

No — coconut water is not keto-friendly. Marketed as an electrolyte drink but has about 10 g sugar per cup. Use sugar-free electrolyte mixes or salty broth instead.

How many net carbs are in coconut water?

1 cup (245 g) of coconut water has about 10 g net carbs (10 g total carbs minus 0 g fiber). Per 100 g, that's 4.2 g net carbs.

How much coconut water can I eat on keto?

About 119 g of coconut water adds up to 5 g net carbs — about 49% of a typical serving. On a typical 20 g daily limit, one serving uses about 52% of your carbs.

What is a good keto substitute for coconut water?

More drinks

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Source: USDA FoodData Central (SR Legacy #174831): Beverages, Coconut water, ready-to-drink, unsweetened. Net carbs = total carbohydrate − fiber. Rating: Not keto — More than about 10 g net carbs per typical serving. Swap it for a low-carb alternative. How we rate foods. Last reviewed October 18, 2026.

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