Hi this may help you
Split 187 ml quarter bottle
Demi 375 ml half bottle
Bottle 750 ml standard bottle
Half Case 3 x 750ml consists of 3 standard bottles
Case 6 x 750ml consists of 6 standard bottles
Large Case 12 x 750ml consists of 12 standard bottles
Magnum 1.5 L two bottles
Jeroboam 3.0 L four bottles
Rehoboam 4.5 L six bottles (ceased production in 1980s)
Methuselah 6.0 L eight bottles
Salmanazar 9.0 L twelve bottles
Balthazar 12 L sixteen bottles
Nebuchadnezzar 15 L twenty bottles
Sovereign 26 L thirty-four bottles also called solomon, or in french (salomon) or a very rare one is the Primat, pronounced preemah 27 litres 36 Bottles