Why is standard bottle 750ml

The standard size for a bottle of wine being 750ml can be attributed to historical and practical reasons. Here are a few factors that contribute to this standard:
Historical Convention: The 750ml bottle size has been in use for centuries and has become the traditional standard for wine bottles. It is believed to have originated in the 18th century when glassblowers standardized the bottle shapes and sizes for easier production and transportation.
Wine Bottling Process: 750ml is considered an optimal size for bottling wine due to various considerations during the production process. It allows for efficient filling and corking, ensuring that the wine is properly sealed and protected from oxidation.
Serving Portions: A 750ml bottle typically contains about five to six standard glasses of wine, making it a convenient size for serving and sharing. This quantity is often suitable for a small gathering or to accompany a meal for a few people.
Market Demand and Consumer Expectation: The 750ml size has become the industry standard and is widely recognized and expected by consumers. It provides a sense of familiarity and consistency, allowing consumers to have a general idea about the quantity of wine they are purchasing.
While there are alternative bottle sizes available, such as smaller sizes like 375ml or larger sizes like 1.5 liters, the 750ml bottle remains the most widely used and accepted standard in the wine industry.