A person concerned about controlling caloric intake needs to consider how much alcohol is consumed.
The standard drink has 14 grams of alcohol.
1 gram of alcohol has 7 calories (kcal).
Since some drinks may have less or higher alcohol content then this can be used to adjust the caloric intake for the drink.
The drink may also contain additional calories from sugars and other additives. This needs to be considered in mixed drinks. For example, a beer with 8% alcohol has 60% alcohol than 5% beer.
caloric intake from 1 standard drink =
= ((factor for different alcohol content) * (7 * 14)) + (beverage non-alcohol calories)
calories from an episode of drinking =
= (number of drinks) * (caloric intake from 1 standard drink)
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