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If I have the original gravity and final gravity of my hard cider (as measured by my hydrometer), do I determine the ABV using the same formula I would for beer?

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up vote 6 down vote accepted

Yes, sugar is sugar and yeast convert sugar to alcohol just the same in beer as in cider. (OG - FG) * .131 (or .135 or whatever).

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1  
Or, if you're unable to find the calculator application on your computer (Windows 8?), you can use Google to find an alcohol calculator like this one. – Tobias Patton Nov 5 '12 at 3:40
    
What are the .131 or .135 magic numbers? – Cleber Goncalves Mar 11 '13 at 17:04
    
I have been using .132, but I think the real number .1315 or something close... I also have seen another formula: (OG-FG) / 7.36 but I never used this one. – Philippe Dec 15 '15 at 22:01

you can check below link for source codes of bew calculatos https://github.com/coolfuturefbiagent/calculators

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Use this ABV calculator:

http://www.rooftopbrew.net/abv.php

put your numbers in and bobs your uncle.

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