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In winemaking, ABV (Alcohol by Volume) is commonly estimated from the change in Specific Gravity (SG) during fermentation.

A commonly used wine/homebrew formula is:

ABV%=(OG−FG)×131.25
Use this calculator to find the ABV of your wine
Wine ABV Calculator
Original Gravity (OG):
FCal Gravity (FG):

 

 

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