Is hard seltzer keto?

Hard seltzer

Keto-friendly Yes — hard seltzer is keto-friendly.

Most hard seltzers have about 2 g carbs per can, making them one of the lowest-carb ready-to-drink options. The usual alcohol caveats still apply.

Nutrition per serving

12 fl oz can · 355 g
Net carbs
2.1g
Calories
99kcal
Protein
0g
Fat
0g
Total carbs
2.1 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 11%

About 833 g of hard seltzer adds up to 5 g net carbs — roughly 2.3 typical servings.

Nutrition facts for hard seltzer
NutrientPer servingPer 100 g
Calories99 kcal28 kcal
Total carbohydrate2.1 g0.6 g
Dietary fiber0 g0 g
Net carbs2.1 g0.6 g
Protein0 g0 g
Fat0 g0 g

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Frequently asked questions

Is hard seltzer keto?

Yes — hard seltzer is keto-friendly. Most hard seltzers have about 2 g carbs per can, making them one of the lowest-carb ready-to-drink options. The usual alcohol caveats still apply.

How many net carbs are in hard seltzer?

12 fl oz can (355 g) of hard seltzer has about 2.1 g net carbs (2.1 g total carbs minus 0 g fiber). Per 100 g, that's 0.6 g net carbs.

How much hard seltzer can I eat on keto?

About 833 g of hard seltzer adds up to 5 g net carbs — roughly 2.3 typical servings. On a typical 20 g daily limit, one serving uses about 11% of your carbs.

What is a good keto substitute for hard seltzer?

See our full guide: keto-friendly alcohol guide.

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Source: Typical label for 5% ABV hard seltzer (12 fl oz: 100 kcal, 2 g carbs). Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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