Rehoboam (unit)Rehoboam was a UK bottle size for wine and champagne.Also refer Wine bottle sizes.Definition6 reputed quarts.Conversion1 rehoboam = 6 reputed quarts1 rehoboam = 1 UK gal 1 rehoboam = 0.004546092 m3Other usesIn the 1849 novel Shirley by Charlotte Brontë, chapters 1 and 17, the clergyman Mr Helstone is described as wearing a "Rehoboam, or shovel hat".