ABV (Alcohol by Volume) Calculator

ABV and Gravity Calculator. Calculates alcohol by volume given a change in specific gravity. Enter your original gravity (OG) reading and your final gravity reading (FG) and you can calculate the ABV of your batch.

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Alcohol By Volume Calculator:

Gravity Unit:
Original Gravity (OG):
Final Gravity (FG):
Alcohol By Volume:
Apparent Attenuation:
Original Gravity:
Final Gravity:

Note: Unless otherwise labeled, volumes are in US gallons.

Legal Disclaimer: The ABV calculator is for entertainment purposes and should not be used for professional brewing. No warranty or guarantee of accuracy is provided on the information provided by this calculator.