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Alcohol Calorie Calculator

See how many calories are hiding in your drinks.

Result

182 kcal
26.0 g
1.9x

How it is calculated

The tool counts only the energy in the ethanol. Steps: total ml = volume per drink × quantity; pure alcohol (g) = total ml × ABV ÷ 100 × 0.789, where 0.789 g/ml is the density of ethanol; calories = grams × 7, since alcohol supplies about 7 kcal per gram; and standard drinks = grams ÷ 14, using the 14 g US standard drink. Volume is in millilitres and ABV in percent (0 to 100). Volume and quantity must be above zero. Calories are rounded to whole kcal and grams and drinks to one decimal. Sugar, juice or mixers are not included, so beer, wine and especially sweet cocktails will have more real calories than shown. Other countries define a standard drink as a different number of grams.

Worked example

Two 330 ml beers at 5% ABV. Total volume = 330 × 2 = 660 ml. Pure alcohol volume = 660 × 0.05 = 33 ml. Mass = 33 × 0.789 ≈ 26.0 g. Calories from alcohol = 26.04 × 7 ≈ 182 kcal. Standard drinks = 26.04 ÷ 14 ≈ 1.9x. The carbohydrates in the beer would come on top of this figure, which covers the alcohol alone.

Try this example →

Common mistakes

  • Reading the total as the full calories of the drink. Only the alcohol is counted; sugar and mixers in cocktails, liqueurs or sweet wine add more.
  • Entering volume in ounces or centilitres. The field is millilitres, so 12 oz must be entered as about 355 ml.
  • Entering ABV as a fraction (0.05). The field takes percent, so 5 means 5%.
  • Forgetting quantity. The volume is per drink, and quantity multiplies it, so do not enter the combined volume and also a quantity of 2.
  • Assuming one glass equals one standard drink. A large pour of wine at 13% can exceed 1 standard drink, as the 1.9x for two beers shows.

About this calculator

Alcohol supplies about 7 kilocalories per gram — more than carbohydrate or protein at 4 kcal/g and second only to fat’s 9 kcal/g — so the calories in a drink come from two sources: the pure ethanol itself and any sugars, juices or mixers added to it. A standard drink is typically defined as around 14 grams of pure alcohol, which works out to roughly 12 oz of regular beer, 5 oz of wine, or 1.5 oz of 40% spirits, though the exact calorie count for any given drink depends on its volume and alcohol-by-volume (ABV) percentage.

People tracking calorie intake for weight management, nutrition labeling professionals, and health-conscious drinkers use this kind of figure to see how many of a drink’s calories come from the alcohol itself. Sugars, juices and mixers are not included, so a sweet cocktail can carry far more calories than the result suggests; add the sugar calories from the label or recipe on top. Bartenders and beverage companies also reference standard-drink definitions when communicating serving sizes and alcohol content to consumers.

Volume, ABV and number of drinks give the calories from the alcohol itself, the grams of pure alcohol and how many standard drinks that is.

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