Free Science-Backed Tool

Alcohol Calorie Calculator

Find out how many hidden calories you're drinking each week — and what that means for your weight, fitness, and health. Results update instantly as you type.

Enter the average number of each type — leave blank or 0 for types you don't drink
Regular Beer 12 oz / 355 ml (5% ABV) ~153 cal each
Light Beer 12 oz / 355 ml (4.2% ABV) ~103 cal each
Red Wine 5 oz / 150 ml (13.5% ABV) ~125 cal each
White / Rosé Wine 5 oz / 150 ml (12% ABV) ~121 cal each
Spirits (Neat / Rocks) 1.5 oz / 44 ml (40% ABV) ~97 cal each
Cocktails / Mixed Average mixed drink ~250 cal each
Hard Seltzer 12 oz / 355 ml (5% ABV) ~100 cal each
Cider 12 oz / 355 ml (5% ABV) ~200 cal each

Your Results

Sources & Methodology

  1. U.S. Department of Agriculture, FoodData Central. Calorie values for alcoholic beverages. FoodData Central
  2. National Institute on Alcohol Abuse and Alcoholism (NIAAA). "Rethinking Drinking: Alcohol Calorie Calculator." NIAAA Calculator
  3. Traversy, G., & Chaput, J.P. (2015). "Alcohol Consumption and Obesity: An Update." Current Obesity Reports, 4(1), 122–130. PubMed
  4. Yeomans, M.R. (2010). "Alcohol, appetite and energy balance: Is alcohol intake a risk factor for obesity?" Physiology & Behavior, 100(1), 82–89.
  5. Exercise calorie estimates based on MET values from the Compendium of Physical Activities (Ainsworth et al., 2011) for a 155 lb (70 kg) person.
Disclaimer: This calculator provides estimates based on standard drink sizes and USDA nutritional data. Actual calorie content varies by brand, pour size, mixers, and preparation. Weight gain projections assume excess calorie intake with no compensatory changes in diet or exercise. This tool is for educational purposes only and does not constitute nutritional or medical advice.

How to Use This Calculator

Enter the number of each drink type you have in a typical week. A "standard drink" varies by type: 12 oz of regular beer (5% ABV), 5 oz of wine (12–13.5% ABV), or 1.5 oz of spirits (40% ABV). Cocktails and mixed drinks average around 250 calories due to added sugars and mixers. The alcohol calorie calculator updates automatically as you type — no button needed. Results include your weekly, monthly, and yearly calorie totals, projected weight gain, exercise equivalents, and food comparisons to help you visualize the hidden calories in your drinking.

Frequently Asked Questions

How many calories are in a standard drink of alcohol?

Calorie content varies significantly by drink type. A regular 12 oz beer has about 153 calories, a light beer has about 103, a 5 oz glass of wine ranges from 121–125 calories, and a 1.5 oz shot of spirits has about 97 calories. Cocktails are typically the highest at 200–500+ calories due to added sugars, syrups, and mixers. Pure alcohol itself contains 7 calories per gram — almost as much as fat (9 cal/g) and nearly double that of protein or carbohydrates (4 cal/g).

Can alcohol make you gain weight?

Yes. Alcohol calories are often called "empty calories" because they provide energy but virtually no nutritional value — no protein, vitamins, or minerals. Your body also prioritizes metabolizing alcohol over burning fat, which means fat storage increases while you're drinking. Additionally, alcohol lowers inhibitions and stimulates appetite, often leading to overeating. A 2015 review in Current Obesity Reports found that heavy drinking is consistently associated with weight gain, particularly abdominal fat.

Which alcoholic drink has the fewest calories?

A single shot of plain spirits (vodka, gin, whiskey, tequila) at 1.5 oz is the lowest at around 97 calories — but only if consumed neat, on the rocks, or with a zero-calorie mixer like soda water. Hard seltzers come in at about 100 calories per can. Light beers average 103 calories. The highest-calorie options are cocktails — a piña colada can exceed 500 calories, a margarita around 275, and a Long Island iced tea over 290.

How much weight will I lose if I stop drinking alcohol?

It depends on how much you currently drink. Since roughly 3,500 excess calories equals one pound of body weight, you can estimate your potential weight loss by dividing your annual alcohol calories by 3,500. For example, if you drink 10 beers a week (1,530 calories), that's about 79,560 calories per year — equivalent to roughly 22.7 pounds. In practice, many people who quit or significantly reduce drinking report losing 10–20+ pounds within the first few months, especially when combined with better sleep and reduced late-night eating.

Why are alcohol calories called "empty calories"?

Alcohol provides energy (7 calories per gram) but almost no essential nutrients. Unlike food calories, which come packaged with protein, fiber, vitamins, and minerals that your body needs, alcohol calories offer nothing beneficial. Worse, your liver prioritizes metabolizing alcohol as a toxin, which temporarily halts fat burning and nutrient absorption. This means alcohol not only adds calories but also interferes with your body's ability to use the nutrients from the food you eat alongside it.