Depending on how much you pour, a bottle can fill 5 or 6 glasses.
Sherry is classically served in 2oz servings. This equates to just under 60ml each, which for a 750ml bottle is about 12 and a half glasses of sherry.
A 750 ml bottle of champagne is equal to about 25 fluid ounces. So if you're using 6oz glasses you could fill four of them up and have a little left over.
4 or 5, assuming the bottle is 750ml or a "fifth", which is 1/5 of a gallon.
You can fill 7.2 glasses (approximately 7 full glasses) with 2 quarts of liquid in 10 ounce glasses.
6 and 2/5 glasses
15 gallons contains ~76 750ml measures.
750ml is 25.36 fl ozs
750ml is equal to approximately 25.36 ounces.
750ml = 25.36 ounces
1536
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 glass you only get about 4 servings per bottle.
0.75