Alcohol Calorie Calculator
Use this alcohol calorie calculator to find how many calories are in your drinks, from both alcohol and residual sugar.
Updated October 2, 2026
Medical Disclaimer: This calculator provides a general estimate based on established research and is for educational purposes only, not a substitute for medical advice. Individual results can vary based on health conditions, so consult a qualified healthcare professional or registered dietitian before making significant changes to your diet, exercise, or health routine. Read our full Medical Disclaimer.
How Alcohol Calories Are Calculated
Alcohol itself carries calories independent of any sugar or carbohydrate in the drink. This calculator estimates both sources separately, since a dry spirit and a sweet cocktail at the same alcohol content can have very different total calories.
What This Calculator Measures
This estimates total calories per drink, split into calories from pure alcohol (ethanol) and calories from any residual carbohydrate or sugar (relevant for beer, wine, and sweetened cocktails), then multiplies by how many drinks you had.
The Formula
Grams of alcohol = volume (ml) x (ABV% / 100) x 0.789
Calories from alcohol = grams of alcohol x 7
Calories from carbohydrate = carb grams x 4
Total calories = (calories from alcohol + calories from carbohydrate) x number of drinks
0.789 is the density of ethanol in grams per milliliter, and 7 calories per gram is the standard energy conversion factor for alcohol used in food labeling¹.
How This Calculator Computes Your Result
Choose a drink preset (beer, wine, or spirit) or enter your own volume and ABV%. Add carbohydrate grams if the drink has residual sugar (most spirits with no mixer have none). Enter the number of drinks, and the calculator totals calories from alcohol and carbohydrate separately before combining them. The presets are built around a US standard drink, about 14 grams of pure alcohol, roughly one 12 fl oz beer at 5% ABV, one 5 fl oz glass of wine at 12% ABV, or one 1.5 fl oz shot of a 40% ABV spirit². Choosing a preset also fills in a typical carbohydrate amount per serving, about 12.6 g for regular beer, 3.8 g for table wine, and 0 g for a straight spirit, which you can edit to match your drink³.
Why Alcohol and Carbohydrate Calories Are Shown Separately
ABV% alone does not determine a drink's total calories. Two drinks with identical alcohol content can differ substantially in total calories if one has meaningful residual sugar and the other doesn't, a dry spirit versus a sweet liqueur at the same proof is a common example. Showing the two calorie sources separately avoids implying that alcohol percentage alone tells the whole story¹.
A Note on Accuracy
This estimates calories in the beverage itself based on standard energy conversion factors. It does not account for how the body metabolizes alcohol calories differently from other sources, alcohol temporarily suppresses fat oxidation while it's being processed. Mixers and garnishes beyond a cocktail's base spirit are not automatically included, add their carbohydrate content separately if relevant.
Frequently Asked Questions
How many calories are in a gram of alcohol?
Alcohol provides 7 calories per gram, the standard energy conversion factor used in food labeling¹.
Why do two drinks with the same ABV have different calories?
Because total calories also depend on residual sugar or carbohydrate in the drink, which varies by beverage type and isn't reflected in the ABV percentage alone.
Does beer or wine have more calories than spirits?
Not necessarily from alcohol alone, but beer and wine typically carry more residual carbohydrate than a straight spirit, which adds calories on top of the alcohol itself.
Does this account for mixers in a cocktail?
Only if you enter their carbohydrate content separately. The calculator's default carb field applies to the base drink type, not any added mixers or garnishes.
Sources
Regulation (EU) No 1169/2011, Annex XIV, European Commission. Source for the 7 kcal/g ethanol energy conversion factor
Drinking Levels and Patterns Defined, National Institute on Alcohol Abuse and Alcoholism. Source for the standard drink definition
FoodData Central, U.S. Department of Agriculture. Source for the typical carbohydrate content of regular beer and table wine used in the presets