Nutrition & Food
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Alcohol by Volume (ABV)

Estimated alcohol content of beer or wine from gravity readings.

Formula

ABV=(OG−FG)×131.25ABV = (OG - FG) \times 131.25

Variables

OGOriginal gravity
FGFinal gravity

Example

1.050 → 1.010 ⇒ 5.25% ABV

Did You Know?

Yeast converts sugar to alcohol and CO₂; the drop in liquid density between readings reveals how much sugar was eaten.

abvbrewingfermentation