How Many Coffee Beans Per Cup?

Perhaps you are a coffee lover or just started discovering the bitter-sweetness of coffee. Either way, have you ever wondered about the number of coffee beans per cup of coffee?

coffee beans per cup.

It is a big challenge to give a precise answer because many factors come into play when determining the number of beans in a coffee cup.

But generally, a 12-ounce cup of coffee contains between 90 and 150 coffee beans.

Seriously, do I consume all that in a single cup?

Relax, and let me share my enthusiasm and experience with you about coffee.

I love coffee, and I always savor my favorite drink at every opportunity. I also like determining how things work and sharing excellent information.

Sometimes my curiosity propels me to search for answers to some trivial questions.

And recently, the curiosity in me wanted to know how many coffee beans are in a coffee mug?

The question can be answered effectively with some essential research work – searching, interviewing, and experimenting.

The answer to the question – how many beans per cup of coffee? – varies depending on


  • Coffee type
  • Your grind level
  • Brewing method and
  • Size of your serving


But basically, the average cup of coffee (12 oz) contains anything from 90 to 150 beans.

What is even more surprising is the number of factors that affect the number of beans per cup of coffee.

Besides figuring out the number of coffee beans In a mug, I realized that the answer would assist me in brewing the best coffee possible.


The Factors Affecting The Number Of Beans Per Cup Of Coffee

Coffee Type Determines The Number Of Beans Per Coffee Cup.

Typically, coffee beans come in different shapes, sizes and weight, all of which determines the number of beans that can find its way into a cup of coffee.

But, there are more other factors that also affect the numbers, further complicating the calculations. For example, growing conditions and species of the coffee plant play a significant role.

While growing conditions and species type are beyond the consumer’s control, it is simpler to work with the standard variants.

Therefore, it is easy to determine and use average bean shape, weight, and size measurements.

In comparison, while whole coffee bean weighs almost the same as grind coffee, the average weight of roasted coffee beans varies greatly.

On the lower side, roasted coffee beans weigh 0.1grams and 0.15 grams on the higher side.

However, some coffee plant species, like the elephant beans, have giant roasted bean coffee, weighing up to 0.4 grams per bean.

And unlike the elephant beans, the heirloom variety weighs much less.


Are The Number Of Beans Per Coffee Cup Affected By The Roast Leve?

Yes, because roasting coffee beans results in 15 -20 % weight loss. Weight loss is critical when determining the total number of beans per cup because weight affects the amount of coffee that can fit into a filter.


Here is a brief overview of coffee beans’ weight and roasting level.

Roasting coffee beans reduces its moisture content and alters the structure of the bean.

Thus, the longer you roast a coffee bean, the lighter it becomes. With each progressive roasting, there is a corresponding weight loss.

Did you know grInding coffee beans makes them lose some weight?

Grinding coffee beans increases the surface area for evaporation. Besides, air circulation and exposure to the kitchen heat increase evaporation.

What is the significance of this? Moisture occupies space. You can store more coffee in your filter if you lose more water from your coffee grounds.


How Grind Level Determine The Number Of Beans Per  Cup

You will need to jog your science knowledge here as we unravel how grind level affects the number of beans per mug of coffee.

First of all, the ground level of coffee beans affects the volume and not weight. So you can safely put your kitchen weighing scales away and bring out the measuring cups and spoons.

A refined grounded coffee bean takes less space than the coarse ground because very fine grinds easily pack into each other, leaving no extra space.

On the other hand, coarse coffee grinds have extra space and will take up more room than the more refined ones.

Thus with the smaller grinds, you will have more coffee beans in your cup of coffee.

For instance, you may compare it with filling grit and pebbles onto containers of the same volume.

You can put more grit in the containers than the pebbles, right?

So if you aim to fill a particular sized filter, like an espresso portafilter, your best bet would be the finer grind.

A very fine grind dark roast coffee bean has a deep flavor and contains more beans in a coffee mug. What is the implication of this? Because finely grind beans occupy less space compared to coarsely grind green or light roast coffee beans.

freshness of coffee beans.

Brewing Method Impacts Coffee Beans Numbers

Various studies have proven that brewing methods impact the total number of coffee beans that end in a cup of coffee.

And when I brewed my coffee using different preparation methods and different coffee makers, the results were similar.

Do you fancy a more robust coffee with a deeper intense flavor, also commonly known as puck? The espresso machine takes a lot of finely grind beans and further compresses them.

The espresso machine then pushes pressurized hot water through the compressed packs.

In sharp contrast, low-end drip coffee machines take in fewer quantities of coffee grinds.

It does not pack much coffee into its filter compared to the espresso machine.  The grinds are loosely packed in a larger space, resulting in fewer coffee beans in a coffee mug.

Each of the two types of machines can take a particular amount of coffee beans, with the espresso machine taking in more.

To get this experiment right, you may have to do it several times while putting your preferences aside.

An espresso machine takes in more coffee beans than other machines because of the compression and finely grind coffee beans.

Oher brewing methods also use a lot of beans. Some of these methods include Percolator, French press, Aeropress, and various drip coffee machines. Nonetheless, a typical drip machine accommodates fewer coffee beans compared to high-end appliances.


What Is More Important When Making Coffee, The Bean Weight Or The Bean Count?

As you can see, there are many factors involved in determining the exact coffee bean numbers in a cup of coffee. Coffee, on the other hand, is generally sold in weight and not by coffee bean numbers. So can you imagine walking into a store and buying exactly 100 coffee beans?

Traditionally, coffee is proportioned out by weight, not volume, and not based on the number of beans, so people serve their coffee at home by the tablespoon. Therefore, it was more satisfying curiosity that I counted the exact number of beans in this article.

As we discussed earlier, volume plays a big part in determining the taste of a coffee. In stores, coffee is usually sold in cans indicating the number of tablespoons per average cup of coffee.

It is common to find cans with detailed instructions on how much water to use when brewing coffee. For every cup of coffee, the instructions suggest using between six ounces and twelve ounces of water, but you should weigh everything for an excellent cup of coffee.

When it comes to getting the most out of your coffee, you need to consider the weight more than the volume. The proper ratio is determined using a kitchen scale that requires you to try several times until you get your preferred taste.


How Does Weight Affect The Number Of Beans Per Cup?

Every single thing! We have all realized that several factors govern the number of beans in a cup of coffee. Just imagine for a while counting out the total number of beans each morning. It would drive you crazy only to discover that its roast is unique, that the beans are different in size, and that your coffee tastes different.

If you want the best cup of coffee, regardless of the type of brew, the roast preference, or the volume of your coffee, you should weigh your grinds carefully.


How Many Coffee Beans per Cup FAQs

What is the Total Weight of Coffee Beans Per Cup?

It’s challenging to get a definite answer because it depends on how you roast, brew, and taste preference. But on average, each cup of coffee contains coffee beans weighing between 7 and 18 grams.

To consume an equivalent amount of  caffeine as in an average cup of coffee, how many coffee beans would you need to eat?

The caffeine content of one coffee bean is around 6 milligrams, and the caffeine content of standard cups of coffee ranges from approximately 90 mg to 100 mg. Thus to get the equivalent amount of caffeine, you need to eat at least 15 coffee beans.

With five pounds of whole bean coffee, how many cups of coffee can I make?

Preparation of the coffee plays a big part in this. More robust coffee will require more grinds, while weaker coffee requires less. However, a typical cup of coffee would yield around 120 cups of coffee.


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About the author

Hi I'm James and coffee is an integral part of my routine: from waking up to getting ready for work in the morning, to spending time with friends after work in the evening hours. It’s not just about being caffeinated; it's about enjoying every single moment of your day with that perfect cup of joe! At, our goal is to provide no-nonsense, clear and up to date information about coffee.

James Black

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