Article
Calculating Alcohol Content, Attenuation, Extract, and Calories
Learn how to calculate measures of extract, real and apparent attentuation, alcohol content and how many calories are in your beer.
Written by Bill Pierce
Issue: October 2005
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Large dry-hop additions that have become more prevalent over the past decade have caused surprises among commercial brewers and homebrewers alike. The phenomenon leading to a lower final gravity, increased ethanol, and increased carbonation is called hop creep and is due to diastase activity of hops. Learn more about hop creep and how to prepare for it.
Half truths, misunderstood principles, untested theories, and wild guesses often become taken as facts when repeated enough times. You’ll find them on brewing message boards, in literature, and in conversation. That doesn’t make them true. Let’s bust these myths.