How many calories are in a Guinness Extra Stout?

A 12 fl oz bottle of Guinness Extra Stout carries 153 calories, and per 100 g the beer itself runs only 43 calories. That gap is the whole story. The liquid is light, the glass is big, and 12 fl oz of beer weighs 356 g. Pour the same stout as a US pint and it lands at 204.

You'd need to walk about 31 minutes to burn the 153 calories in a 12 fl oz bottle (356 g).

On this page

• Guinness Extra Stout quick facts
• US servings, from an 11.2 oz bottle to a full pint
• Stout, lager and light beer side by side
• Carbs are the only row with any weight
• How does Guinness Extra Stout compare?
• FAQ

Guinness Extra Stout quick facts

USDA does not publish a record for Guinness, or for stout as a style. What it does publish is SR Legacy 168746, "Alcoholic beverage, beer, regular, all", the only full-strength beer record that carries every macro plus a real household serving of one can or bottle. The only other full-strength entry is one brand, Budweiser; every remaining beer in the set is a light beer, a different product with a thinner wort behind it. So that regular-beer row is the honest baseline for a dark, full-strength stout, and it is the one used everywhere on this page.

Color is the thing people get wrong here. A stout looks heavy because the roasted malt turns it near-black, but the roast contributes flavor, not calories. What is actually in the glass is water, a little residual carbohydrate and alcohol.

% Daily Value is based on a 2,000-calorie diet.

There is no added-sugars row in the table because the SR Legacy edition does not carry that nutrient for beer at all. Cholesterol is 0 mg, as you would expect from a plant-based drink. Potassium is the one mineral worth naming: 27 mg per 100 g, so 96 mg in the bottle, which is 2% of the Daily Value and not a reason to drink one. The %DV percentages come from the FDA reference amounts on the Nutrition Facts label.

US servings, from an 11.2 oz bottle to a full pint

The 12 fl oz line is the USDA household measure, straight from the record. The 11.2 fl oz bottle and the 16 fl oz pint are our own arithmetic from the USDA 100 g figure, not USDA servings, which matters because 11.2 fl oz is exactly how Guinness Extra Stout is sold in most American stores: the imported four-pack is 11.2 fl oz per bottle, not 12.

That single ounce of difference is worth 10 calories. The jump from that bottle to a bar pint is worth a lot more. A US pint is 475 g of beer against 332.6 g in the bottle, which turns 143 calories into 204 — an extra 61 calories for pouring the same beer into a bigger glass. Two pints out with friends is 408 calories before anyone touches the fries.

One warning on pints. A US pint is 16 fl oz; an imperial pint, which is what you get in Ireland and the UK, is 20 fl oz. Every number on this page is the US measure.

Stout, lager and light beer side by side

Read that column and the ranking most people carry around falls apart. A dark stout at 43 calories per 100 g sits 2 above a pale Budweiser lager at 41 — a 7-calorie gap across a full bottle, which is nothing. The real split is not dark against pale. It is full-strength against light, and it is worth about 50 calories a can.

There is one more record in USDA's beer set that never gets quoted, and it is the most useful of the seven: "beer, light, higher alcohol" comes in at 46 calories per 100 g. That is higher than the regular beer this page is built on, from a can labeled light, with only 0.77 g of carbohydrate per 100 g against 3.55 g in regular beer. Fewer carbs, more calories. Alcohol is doing the work, which is exactly why a strong stout is not a diet drink even though it holds almost no sugar.

Carbs are the only row with any weight

Go down the Nutrition Facts column for a 12 fl oz serving and almost every line is a zero: no fat, no saturated fat, no fiber, no sugar, 14 mg of sodium, which is 1% of the Daily Value and less than most people get from a slice of bread. Protein is 1.6 g, or 3% DV — technically present, not worth counting.

Carbohydrate is the only entry that registers at all: 12.6 g, or 5% of the Daily Value. Against a light beer's 5.8 g per can, the stout is carrying roughly 7 g more, and that difference plus the alcohol is the whole 50-calorie spread between the two.

Note that the calories in this row do not add up the usual way. Multiply out 12.6 g of carbohydrate with no fat and almost no protein and you get nowhere near 153. The missing chunk is alcohol, which carries calories but has no line on the Nutrition Facts label. That is why beer looks impossibly light on paper and behaves like a snack in practice. If you are tracking a night out, the Dietary Guidelines chapter on alcoholic beverages is the standard American reference, and CDC treats a 12 fl oz regular beer as one standard drink — the exact serving in the table above.

How does Guinness Extra Stout compare?

Our take: if you are cutting calories, the switch that pays is full-strength to light, not dark to pale — 153 down to 103 per can, and down to 96 for a low-carb recipe. Trading a stout for a Budweiser saves 7 calories and costs you the beer you actually wanted, so don't bother. The bigger lever is the glass. Drink your stout from an 11.2 oz bottle rather than a 16 oz pint and you save 61 calories per serving without changing a thing about what you are drinking.

Guinness Extra Stout FAQs

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Count it without the math

Point the camera at the glass and BodyPal counts it for you, pint or bottle.