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Alcohol by Volume (ABV) Calculator

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Calculate the alcohol percentage (ABV) of your homebrew using specific gravity measurements. Supports multiple brewing methods such as beer, wine, and spirits.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Original Gravity (OG), Final Gravity (FG), and Brewing Method in the units shown.

Step 2

Read Alcohol by Volume (ABV) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Typical Beer

Original Gravity (OG): 1.05; Final Gravity (FG): 1.01; Brewing Method: Beer

Alcohol by Volume (ABV): 5.25 %

Typical Wine

Original Gravity (OG): 1.09; Final Gravity (FG): 0.99; Brewing Method: Wine

Alcohol by Volume (ABV): 13.125 %

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