葡萄酒份量计算器公式

## How to Calculate Wine for an Event

### Formula

**Total Glasses = Guests x Hours x Glasses per Hour**

**Glasses per Bottle = floor(25.4 oz / Serving Size)**

**Bottles = ceil(Total Glasses / Glasses per Bottle)**

A standard wine bottle is 750 mL (25.4 oz). At a 5 oz pour, that yields 5 glasses per bottle.

### Planning Tips

- Budget 1 glass per guest per hour as a starting point
- Reduce to 0.5-0.75 for afternoon events or events with other drink options
- Increase to 1.25-1.5 for cocktail parties or wine-focused events
- Buy extra and return unopened bottles if the retailer allows

计算示例

20 guests at a 3-hour dinner party, 1 glass per hour, 5 oz servings.

  1. Total glasses = 20 x 3 x 1 = 60 glasses
  2. Glasses per bottle = floor(25.4 / 5) = 5 glasses
  3. Bottles needed = ceil(60 / 5) = 12 bottles
  4. That is 1 case of wine.