Equivalent to two bottles, or 1.6 litres (3.36 pints), of champagne, Bordeaux or Burgundy wines. The full list is: Magnum (2), Jeroboam (4), Rehoboam (6), Methuselah (8), Salmanazar (12), Balthazar (16) and Nebuchadnezzar (20). In the case of the wines a Magnum contains 1.5 litres.