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`b = (n * OpG) / (OpB) * CPB`
Enter a value for all fields
The Champagne Toast calculator computes the 
Champagne
Flutenumber of bottles of champagne you'll need for a toast based on the number of people, ounces per glass, and ounces per bottle.
INSTRUCTIONS: Choose units and enter the following:
- (n) Number of People
- (OpG) Ounces Per Glass
- (OpB) Ounces in a Bottle
- (CPB) Cost per Bottle
Bottles of Champagne (B): The calculator will tell you how many bottles of champagne you'll need.
The Math / Science
Are you going to have a champagne toast? If so, how many bottles of champagne do you need? Well, the average glass of champagne is about 6 ounces and the average bottle has about 25 ounces. These are the defaults above, but you can override them if you have other sizes. Use this equation to figure out the number of bottles of champagne you need to buy.
Champagne typically comes in several bottle sizes, ranging from small to large. Here are the most common sizes:
| Median Price per Bottle | Bottle Sizes | Volume |
|---|---|---|
| $20 | Split (Quarter Bottle) | 187.5 ml |
| $45 | Half Bottle | 375 ml |
| $70 | Standard Bottle | 750 ml |
| $135 | Magnum | 1.5 liter |
| $400 | Jeroboam | 3 liters |
| $650 | Rehoboam | 4.5 liters |
| $2,000 | Salmanazar | 9 liters |
| $5,000 | Balthazar | 12 liters |
| $12,000 | Nebuchadnezzar | 15 liter |
These larger sizes are often used for special occasions or as display pieces in restaurants or cellars.
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