Bar Management

2-Minute Tuesdays: What’s Left in Those Bottles?

By Trevor Bernatchez

Trevor Bernatchez

July 9, 2019

After working to mark down the percent of liquor in each of your bottles, you’ve got a good idea of what you’re sitting on. But exactly how many drinks are really left in those bottles?

In our most recent edition of 2-Minute Tuesdays, Sr. Manager of Customer Education Trevor Bernatchez, talks about knowing how many drinks are actually sitting in the bottles at your bar. Read on to learn more, or watch the whole video (~2 mins) above.

Being able to quickly translate those percentages into a specific number of cocktails will give you a whole new understanding of your program, and make you a savvier bartender.

To calculate how many drinks you can get out of each bottle, we need to know how many ounces are actually in some of the most standard bottle sizes that we see. We do this by dividing the volume of the bottle by one ounce:

There are many varying liquor bottle sizes, but the 750ml bottle is probably the most common for all spirits and wines, so let’s use that as an example.

Let’s say your drink demands 1 oz of a certain spirit. One U.S. Fluid Ounce (oz.) is equal to 29.57 mL. Knowing that, let’s do some simple math.

750 mL ÷ 29.57 mL = 25.36 1-oz servings

Judging by that, there are 25.36 1-oz servings per 750mL bottle, or 25 if you want to round down to a full number. This equation will work for any bottle size that is listed in milliliters on your bar.

Now that you know how many 1-oz servings are in each of your bottles, it’s time to dig a little deeper. How many ounces of each base spirit are you pouring in each drink you serve? Is it 1.5 oz, 2 oz, or 3 oz? Whatever the pour size, it’s easy to translate that into a number of drinks once you know the percentage of the bottle that remains. These examples are just for spirits, but can easily be applied to wines by the glass or even draft beer. To do this, multiply the number of servings in a full bottle by the percentage of the bottle that remains:

For this example, say that I use a 1-oz pour of my spirit in a cocktail, and I have 40% of my 750ml bottle of that spirit:

25 servings × 0.4 = 10.14  1-oz servings

Of course, different drinks are going to call for different amounts of liquor, but with these simple equations, you can always know how many more full portions you have in each of those bottles. This will help you better stock your bar pre-shift, make smarter purchases every week, and hopefully help you increase your profits across your entire bar program.


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