How many bottle of champagne needed for 200 glasses?

You will get six glasses per bottle. You will get more from non-standard size bottles. A Magnum equals two regular 750 ml bottles; a Jeroboam equals four; a Rehoboam equals six; a Methuselah equals...

8 classes

4-6 glasses

4 to 6 standard champagne glasses per 750 ml bottle. The bottle is technically 25.3 ounces which would indicate that 6 glasses should be expected, but I find if you really fully fill the champagne...

5 generous servings or 6 if assuming a half-full flute.