ABV Calculator (Homebrew)
Compute alcohol by volume from gravity readings (OG / FG).
About this tool
Type original gravity (OG) and final gravity (FG) from your hydrometer, or use the Brix/refractometer-correction path for in-progress readings. Targets the r/Homebrewing 'what's the ABV of this batch' question that follows every brew-day post.
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