Guru wrote:I have seen various methods for calculating Alc/Vol on the net and ended up just choosing one that suited me.
Currently this is what I use. The plus 0.5 is for the extra fermentation in the bottle. In my notes this I mention this as the Coopers method, whatever that may mean.
(OG x 1000 - FG x 1000) / 7.46 + 0.5
trabfountain wrote:Thanks weizgei 6.2% is certainly close enough. I'm curious how you calculate 5.9% I've always used a formula I found on a brew site somewhere which is OG - FG x 131.25. Maybe I've been using the wrong method for calculating ABV. I'd certainly be interested in your method.
Cheers
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