Have you ever needed to know how many calories are in the beer you just made? It is simple to approximate if you have the starting and finishing specific gravity measurements from before and after the fermentation process. The statistics calculator above will help you determine not only the calories of your beer but also the % alcohol by volume and weight as well as the carbohydrates in every pint of your home brew. Simply enter the starting and finishing specific gravity measurements into the brewing calculator below to discover the results. The number of calories in some of the really big beers we brew can be quite a surprise.