There are five servings (glasses) of wine in a 750 ml bottle of wine.
Five glasses.
The different types of cocktail glasses used for serving drinks include martini glasses, highball glasses, rocks glasses, and champagne flutes. Each type of glass is designed to enhance the drinking experience of specific types of cocktails.
From a regular 750mL bottle of wine. You are looking at 5 1/2 servings per bottle
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.
Ten of them.
2000 ml
As the amount of ounces per liter is 33.824 and 750ml is 33.824 x .75, then the ounces per 750ml bottle would equal 25.368 oz. Using the standard 5 oz glass, there are about 5 glasses per bottle of wine.
1,100 ml
Either use a bottle of Rosé wine or use a combination of red & white wine (half bottle of each) Add fruit juice (like white cranberry juice) and some brandy or Cointreau. Fresh fruit. Chill. Just before serving, add Sprite or other citrus sparkling drink.
1 liter = 1000 milliliters 5 glasses @150ml = 750 ml 1000-750=250 ml left in the bottle.
2.5 litres ÷ 250 litres = 0.01 (Those are some extremely large glasses: 250 litres ≈ 55 gallons each!)
On average, there are 5 real-sized glasses of wine in a bottle. If each person has 2 glasses of wine, that's 140 glasses. Divide that by 5 and you get 28 standard sized 750ml bottles needed. You have options to get larger format bottles, such as magnums that are 1500ml, to cut down on the number of bottles.