How do you calculate ABV.
- Thread starter IanPC
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OG-FG x 131
Ah ha hahaha!!!
It is an approximation for a much more complex calculation with more variables that are difficult to measure without lab equipment.
http://www.brewersfriend.com/abv-calculator/This might be even easier for you.
Brewskii
Well-Known Member
SpottedDogBrewing said:
That's som funny **** right there !
IanPC said:
Beer
Main article: Beer_measurement#By_strength
The calculation for beer is:
Where 1.05 is number of grams of ethanol produced for every gram of CO2 produced and .79 is the density of ethanol alcohol,
ABV = ((1.05 * (Starting SG – Final SG)) / Final SG) / 0.79 * 100[citation needed]
However, many brewers use the following formula:
ABV = (Starting SG - Final SG) * 131
IanPC said:
This guy: Joseph Louis Gay-Lussac
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