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Alcohol By Volume ABV Calculator
Finds ABV based on gravity change. If you took an original gravity reading (or had estimated OG), and also took a final gravity (FG) reading prior to adding priming sugar at bottling you can find out your batch's alcohol by volume ABV.

This calculator compliments the Brewer's Friend brew day sheets, which will help you keep records of your brewing process.

Alcohol By Volume Calculator:
Gravity Unit:
Original Gravity (OG):
Final Gravity (FG):
Equation:

(see below for more information)
 

Alcohol By Volume:
Apparent Attenuation:
Calories:
Original Gravity:
Final Gravity:
This calculator allows you to choose between the standard equation or the alternate equation. If you don't know the difference, just stick with the standard equation. Read more about this update here, and get the equations used by this calculator.

Update April, 2013: Now supports Plato and SG for inputs and reports apparent attenuation, calories, and the OG/FG in both sugar scales. The calories equation is independent of the ABV equation, and is derived from ["Caloric Content, Beer-33" in: American Society of Brewing Chemists, 1992, Methods of Analysis of the ASBC. American Society of Brewing Chemists; Homebrew Digest 800-9], complete details here: http://hbd.org/ensmingr/.

Remember that hydrometer readings need to be temperature corrected. Try our Hydrometer Temperature Adjustment Calculator.

For readings taken with a refractometer, please see our Refractometer Calculator.

NEXT: To calculate your batch's bitterness in the home brewing standard international bittering units (IBUs), see our IBU calculator.

Thanks for using our calculator. You might be interested in the Complete Recipe Builder. It is a big time saver, easy to use, and you can try it anonymously. OG/FG/IBU/SRM/ABV are automatically calculated. Recipes can be saved, printed, shared, and brewed for complete record keeping.

Click Here To Try The Complete Recipe Calculator


Legal Disclaimer: The Brewer's Friend 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.


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