HOW TO CALCULATE THE CALORIES OF AN ALCOHOLIC BEVERAGE KNOWING ITS ALCOHOL CONTENT
In the liver, the oxidation of 1 gram of alcohol still releases a high amount of energy (7 kcal, compared to 4 kcal of carbohydrates and proteins and 9 kcal of fats). However, it is necessary to specify that the alcoholic strength reported on the label does not correspond to 1 g of alcohol but to 1 ml of ethanol, which develops approximately 5.6 Kcal (5.53 kcal to be precise).
Therefore, to know the exact calories of a liqueur with an alcoholic strength of 30 (30% vol.), The following calculation must be made:
0.3 x 5.53 x 1000 = 1659 Kal.
HERE IS THE DEMONSTRATION, FOR MATHEMATICS LOVERS
A liter of alcohol at a temperature of 26 ° C weighs 0.79 kg or if you prefer it has a density of 0.79.
It follows that the weight of alcoholic beverages can vary from 790 grams (all alcohol and no water) to 1000 grams (all water and zero alcohol)
Let's take the liqueur considered previously which has an alcohol content of 30.
One liter of this liqueur contains 237 grams of alcohol [(30/100) * 790]
considering that one gram of alcohol provides 7 Kcal the caloric content is
(237 x 7) = 1659 Kcal
exactly the same obtained by multiplying the alcoholic strength by 5.53 for the quantity of liquor expressed in milliliters
CALCULATE THE CALORIES OF AN ALCOHOLIC BEVERAGE
* the calculator does not take into account any caloric substances added to the food (sugars and derivatives, honey, etc.)
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