How to Calculate Calories in your beer

Calculating Calories

The calories in homebrew come from alcohol and carbohydrates. Brewgr uses the following calculation to determine the amount of calories that will be in your homebrew.

Calories From Alcohol = 1881.22 * FG * (OG - FG) / (1.775 - OG)

Calories From Carbs = 3550.0 * FG * ((0.1808 * OG) + (0.8192 * FG) - 1.0004)

Total Calories = Calories From Alcohol + Calories From Carbs

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