How Many Drinks in a Bottle of Wine?

Wine Math Made Easy

Published: wine


Have you ever wondered how many drinks are hidden in that elegant bottle of wine? Understanding the number of drinks in a bottle can help you plan your servings better and make informed decisions about your alcohol consumption.

In this article, we will dive into the world of wine math and unravel the mystery behind estimating the drinks contained in that bottle.

If you don’t feel like reading and want to get straight to the number of drinks you'll find our handy calculator here.

1. The Standard Drink Measurement:

Before we delve into specifics let's establish the concept of a standard drink. A standard drink is a universally recognized measurement used to quantify the alcohol content in various beverages. A standard wine glass serving of 5 fluid ounces (148 milliliters) typically contains approximately 12-14 grams of alcohol and is roughly 1 standard drink. You can read more about standard drinks here.

2. Bottle Size Matters:

It may be obvious but is worth saying anyway, but when counting the number of drinks in a bottle of wine, the bottle size plays a crucial role. The standard bottle size for most wines is 750 milliliters, which is approximately 25.4 fluid ounces.

However, there are variations in bottle sizes, such as magnums (1.5 liters or 50.7 fluid ounces), splits (187.5 milliliters or 6.3 fluid ounces), and more. If two wines have similar alcohol percentage, the bigger the bottle, the greater the number of drinks (duh).

3. Pour Size and Factors Affecting Servings:

The amount of wine poured into a glass also influences the number of drinks in a bottle. A standard serving size of wine is typically considered to be 5 fluid ounces (148 milliliters). While the size of the pour doesn’t affect the number of drinks it does change how quickly they are drunk.

Factors such as personal preferences, glass size, and occasion can affect the pour size. At a wine tasting people may opt for smaller tasting portions, whereas at a celebration like a birthday or Christmas party they may enjoy a more generous pour. Keep these factors in mind when estimating the number of drinks per bottle.

4. Estimating the Number of Drinks:

To estimate the drinks in a bottle of wine, we can use a general guideline based on the standard drink measure and the standard serving size of 5 fluid ounces (148 milliliters). Considering a 750-milliliter bottle, which is approximately 25.4 fluid ounces, we can estimate that it contains around five standard drinks.

However, it's important to note that this is an approximation and may vary depending on the volume and alcohol content of the specific wine. Wines can have higher or lower alcohol percentages, which will impact the number of drinks per bottle.
If you would like a more precise calculation based on the specific wine you have in mind, you can use our online drinks calculator, here. It’s a convenient tool to estimate the number of drinks in a bottle of wine based on various factors.


Knowing how many drinks are in a bottle of wine allows you to gauge your alcohol consumption and make more informed choices. While the estimation of drinks can provide a useful guideline, it's important to consider individual factors such as pour size, bottle size, and alcohol content. Remember to always drink responsibly and in moderation, savoring the flavors and enjoying the experience.

Cheers to a better understanding of wine math!