The Perfect Aeropress Coffee Ratio

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Aeropress started in 2005 and is here to stay. Such a great and easy way to brew coffee and with correct amount of coffee grounds and water you can make one fantastic cup.

Water to coffee ratio for Aeropress is 1 gram of coffee for every 6 gram of water (1:6 ratio).

The ratio of 1:6 is taken from the original recipe by Alan Adler; inventor of the Aeropress. This brew ratio results in a concentrate, much like an espresso—you can add hot water or milk to your liking.

To calculate how much coffee you need, weigh the amount of water you want to brew and divide that by 6. That will give you the amount of coffee to grind

Cups of CoffeeWater (grams)Water (fl oz)Water (ml)Coffee (grams)Coffee (oz)Coffee (~Tbsp)
1170618028.350.502
23401235056.700.994
35101853085.051.496
468024710113.401.998
585030887141.752.4910
61020361064170.102.9912

Use the table as a reference. Depending on how potent you want your coffee you can either add more water or grounds to your cup.

What is AeroPress Coffee?

Invented by Alan Adler, the AeroPress is a new kind of manual coffee press ideal for any coffee lover. It that uses a rapid, total immersion brewing process to make smooth, delicious, full flavored coffee without bitterness and with low acidity.

Why does the coffee to water ratio matter?

It matters for the flavor of your coffee. Each coffee bean has a finite amount of flavor that can be extracted and you don’t want to ruin it by not properly brewing it.

If you use too little coffee grounds, you will have a diluted, watery cup. If you use too much, you’ll have a caffeine-loaded cup of coffee that may lack in the flavor nuances of fine specialty coffee.

But like I mentioned earlier, use the table as a reference as you will have your own preference of how your coffee should taste. Start with the ratio recommendations above and adjust by a few grams until you find the perfect ratio for you.

How to Make Aeropress Coffee Breakdown

I’ll break this down as quickly as I can and if you want to see the full set of instructions then check out our How To Guides.

Boil water and grind coffee to fine setting

Once water is boiling, rinse aeropress filter.

Place filter cap on the end of the aeropress, then place the aeropress on a carafe on your kitchen scale.
Add coffee and tare.

Start timer and begin pouring water.
Add all your brewing water at once, aiming to pour all in within 20 seconds. Use your spoon to gently stir the mixture and ensure even saturation of all coffee grounds.

When you’re finished stirring, place the plunger on top of the Aeropress to create a seal.

Let the mixture sit until your timer reads 1:30.
Remove the plunger and give the coffee another stir.

Replace the plunger and immediately depress it with firm but gentle pressure.

Stop when the mechanism starts to hiss. The entire brewing process should take around 2:00-2:15.

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