Use this calculator to determine the approximate alcohol by volume (ABV) of your home brew. Simply enter your original gravity reading taken before fermentation and your final gravity reading after fermentation is complete.

Instructions:
1. Enter your Original Gravity (OG) reading (e.g., 1.050)
2. Enter your Final Gravity (FG) reading (e.g., 1.010)
3. Click "Calculate ABV" to see your beer's alcohol percentage