Original gravity

From BrewWiki
Revision as of 17:43, 15 June 2008 by Gluck (Talk | contribs)

Jump to: navigation, search

Original gravity (OG) refers to the relative density of wort, (unfermented beer) usually expressed as a ratio to the density of water. The relative density is closely related to the amount of fermentable sugar dissolved in the wort, and helps predict the alcohol content of the finished beer.

See Also