Regular beer is generally incompatible with keto. It averages ~3.6g net carbs per 100ml (≈13g per 12oz/355ml), which can consume most of a strict daily carb budget. If you drink, consider Light Beer or zero-carb spirits instead.
Is Regular Beer Keto?

YOUR PORTION
How much are you having?
Scale the published reference values to your portion.
Per 100 ml (as consumed or prepared). Curated estimate; estimated values.
How this is calculated
total carbohydrate - fiber. Each published value is multiplied by your portion divided by the reference amount. No extra fiber, sugar alcohol or allulose deductions are applied here.
Grams and milliliters are not interchangeable. Household measures require a food-specific conversion; check your scale or product label.
3.6gnet carbs in your portion
- Total carbs
- 3.6g
- Fiber
- 0g
- Protein
- 0.4g
- Fat
- 0g
- Calories
- 43
Regular beer is generally incompatible with keto. It averages ~3.6g net carbs per 100ml (≈13g per 12oz/355ml), which can consume most of a strict daily carb budget. If you drink, consider Light Beer or zero-carb spirits instead.
- Net carbs (100 ml)3.6g
- Protein (100 ml)0.4g
- Fat (100 ml)0g
- Keto verdictLimit portions
NUTRITION FACTS
Per 100 ml (as consumed or prepared)
Source: Curated estimate
Source fit: curated estimate; not an exact source match
Net-carb calculation: total carbohydrate - fiber
A USDA reference record exists, but the displayed basis or macros do not directly reproduce it, so KetoLens does not attribute these values to USDA. Check the current label for packaged products.
Nutrition record reviewed 2026-07-09. Maintained by KetoLens Team.
WHY TO LIMIT IT ON KETO
- High effective carbs per typical serving: ~13g per 12oz (355ml) can crowd out food carbs
- Beer retains residual grain sugars; unlike spirits, fermentation doesn’t remove all carbs
- Easy to over-consume due to larger serving volumes
- Can be swapped for Light Beer (usually lower per 100ml) or zero-carb spirits
- If chosen, keep to a small pour and offset carbs elsewhere
- Alcohol can stall fat burning temporarily—factor into goals
PREPARATION SUGGESTIONS
VERY LIMITED OCCASION
If choosing beer, cap at a small pour (4–6oz / 120–180ml), track carbs, and pair with a high-fat, protein-rich keto meal.
LIGHT BEER ALTERNATIVE
Swap to Light Beer (often ≈2–3g carbs per 100ml; check labels) to reduce total carbs per serving.
SPIRITS SUBSTITUTE
Choose zero-carb spirits like Whiskey or Vodka with Club Soda or Diet Soda and a squeeze of Lime.
SPECIAL OCCASION ONLY
Reserve for rare events; budget the day’s carbs accordingly and prioritize nutrient-dense foods.