Making Two Cups of Coffee: The Right Amount of Grounds

Quick answer

• Aim for 30-35 grams of whole bean coffee for two standard 8-oz cups.
• That’s roughly 4-5 tablespoons of whole beans.
• Grind your beans just before brewing for peak flavor.
• Use filtered water; tap water can mess with taste.
• Heat your water to 195-205°F, not boiling.
• Dial in your grind size based on your brewer. Too fine clogs, too coarse is weak.

Who this is for

• Anyone who wants to brew a consistently good cup (or two) at home.
• Folks tired of weak or bitter coffee and ready to take control.
• Campers and homebodies alike who appreciate a solid brew.

What to check first

Brewer type and filter type

Your brewer dictates a lot. Is it a drip machine, a pour-over, a French press? Each needs a different approach. The filter matters too – paper, metal, cloth? Paper filters can trap more oils, affecting body and flavor. Metal filters let more through, giving you a richer cup.

Water quality and temperature

Coffee is mostly water, so good water is key. If your tap water tastes funky, your coffee will too. Filtered or bottled water is usually the way to go. Aim for a water temp between 195°F and 205°F. Too cool, and you won’t extract enough flavor. Too hot, and you’ll scorch the grounds, leading to bitterness.

Grind size and coffee freshness

Freshly roasted, freshly ground beans are a game-changer. Pre-ground stuff loses its punch fast. Grind right before you brew. The grind size needs to match your brewer. Drip machines like a medium grind, French press a coarse grind, and espresso a fine grind.

Coffee-to-water ratio

This is where the “how much coffee” question really kicks in. A good starting point for most brewing methods is a ratio of about 1:15 to 1:17 (coffee to water by weight). For two 8-oz cups (which is about 16 oz or roughly 473 ml of water), that means around 30-31 grams of coffee if you’re aiming for 1:17. If you like it a bit stronger, closer to 1:15, you’ll use more like 31.5 grams.

Cleanliness/descale status

A dirty brewer is a flavor killer. Old coffee oils build up and turn rancid, making everything taste stale or bitter. Make sure your brewer is clean. If you have a drip machine, descale it regularly according to the manufacturer’s instructions. It’s a simple step that pays off big time.

Step-by-step (brew workflow)

Here’s a general workflow for making two cups, assuming a pour-over or drip machine.

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1. Gather your gear: You’ll need your brewer, a filter, fresh coffee beans, a grinder, a kettle, and your favorite mugs.

• What “good” looks like: Everything is clean and ready to go. No last-minute scrambling.
• Common mistake: Forgetting a key piece of equipment, like the filter. Avoid this by setting everything out first.

2. Measure your beans: For two 8-oz cups (around 16 oz total water), start with about 30-35 grams of whole bean coffee. This is roughly 4-5 level tablespoons, but weighing is more accurate.

• What “good” looks like: The correct amount of beans measured out.
• Common mistake: Eyeballing the amount. This leads to inconsistent brews. Use a scale if you can.

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3. Heat your water: Fill your kettle with filtered water and heat it to 195-205°F. If you don’t have a thermometer, bring it to a boil and let it sit for about 30-60 seconds.

• What “good” looks like: Water at the right temperature, ready to go.
• Common mistake: Using boiling water. This can scald the coffee grounds. Let it cool slightly.

4. Grind your coffee: Grind your beans to a medium consistency, like coarse sand, for most drip or pour-over brewers. Grind just before brewing.

• What “good” looks like: Uniformly ground coffee that smells amazing.
• Common mistake: Grinding too fine or too coarse. Too fine will clog the filter; too coarse will result in weak coffee.

5. Prepare the filter: If using a paper filter, rinse it with hot water. This removes any papery taste and preheats your brewer. Discard the rinse water.

• What “good” looks like: A clean, pre-rinsed filter in place.
• Common mistake: Not rinsing the paper filter. You might get a papery taste.

6. Add grounds to brewer: Transfer your freshly ground coffee into the prepared filter. Give it a gentle shake to level the bed of grounds.

• What “good” looks like: An even bed of coffee grounds.
• Common mistake: Leaving grounds uneven. This can lead to uneven extraction.

7. Bloom the coffee: Pour just enough hot water (about twice the weight of your coffee grounds) over the grounds to saturate them evenly. Let it sit for 30 seconds. You’ll see it bubble up – that’s CO2 escaping.

• What “good” looks like: The grounds puff up and release gas.
• Common mistake: Skipping the bloom. This traps gases that can interfere with extraction and flavor.

8. Begin brewing: Slowly pour the remaining hot water over the grounds in a circular motion, keeping the water level consistent. Aim to finish pouring within 2-3 minutes.

• What “good” looks like: A steady stream of coffee dripping into your mugs or carafe.
• Common mistake: Pouring too fast or all at once. This can lead to channeling and uneven extraction.

9. Let it finish: Allow all the water to drip through the grounds.

• What “good” looks like: The dripping stops, and you have a full carafe or mugs.
• Common mistake: Removing the brewer too early. You’ll lose valuable coffee.

10. Serve and enjoy: Remove the filter and grounds. Swirl the carafe if you brewed into one to mix the coffee. Pour into your mugs and enjoy your perfectly brewed two cups.

• What “good” looks like: Delicious coffee ready to drink.
• Common mistake: Letting the coffee sit on a hot plate for too long. It can develop a burnt taste.

Common mistakes (and what happens if you ignore them)

Decision rules (simple if/then)

• If your coffee tastes bitter, then try a coarser grind because a finer grind can over-extract.
• If your coffee tastes weak and sour, then try a finer grind because a coarser grind can under-extract.
• If your coffee has a papery taste, then make sure you rinsed your paper filter thoroughly because that removes the papery taste.
• If your drip machine brews very slowly, then check if the grind is too fine or if the machine needs descaling because both can cause slow brewing.
• If your coffee tastes flat, then use fresher beans because old beans lose their flavor.
• If you’re using a French press and it’s hard to plunge, then your grind is likely too fine because it’s clogging the filter.
• If you’re measuring by volume and your coffee is inconsistent, then switch to weighing your beans and water because it’s far more accurate.
• If your coffee tastes burnt, then your water was likely too hot, so let it cool a bit longer before pouring.
• If your pour-over has dry spots after brewing, then your pouring technique might be uneven, so try a more consistent circular pour.
• If you want a stronger cup, then increase the coffee-to-water ratio slightly (e.g., go from 1:17 to 1:16) because more coffee means a stronger brew.
• If you want a weaker cup, then decrease the coffee-to-water ratio slightly (e.g., go from 1:15 to 1:16) because less coffee means a weaker brew.

FAQ

How much ground coffee is needed for two cups?

For two standard 8-oz cups (about 16 oz of water), you’ll want around 30-35 grams of coffee. This usually translates to about 4-5 level tablespoons of whole beans before grinding.

Can I just use pre-ground coffee?

You can, but it won’t taste as good. Pre-ground coffee loses its volatile aromatics quickly. Grinding right before you brew makes a huge difference in flavor.

What if I don’t have a scale?

While weighing is best, you can use tablespoons as a rough guide. Start with about 4-5 level tablespoons of whole beans for two cups and adjust from there based on taste.

Is it okay to reuse coffee grounds?

No, you should not reuse coffee grounds. The first brew extracts most of the desirable flavors. Reusing grounds will result in a very weak and unpleasant cup.

How do I adjust if my coffee is too bitter?

If your coffee is bitter, your grind might be too fine, leading to over-extraction. Try a slightly coarser grind or a shorter brew time. Also, ensure your water isn’t too hot.

How do I adjust if my coffee is too weak?

If your coffee is weak, your grind might be too coarse, leading to under-extraction. Try a slightly finer grind or a longer brew time. Ensure you’re using enough coffee grounds for the amount of water.

Does the type of coffee bean matter?

Absolutely. Different beans have different flavor profiles. A light roast might be brighter and more acidic, while a dark roast will be bolder and more bitter. Experiment to find what you like.

How important is the water temperature?

Very important. Water that’s too cool won’t extract enough flavor, resulting in a weak, sour cup. Water that’s too hot can scorch the grounds, making the coffee bitter. The 195-205°F range is ideal.

What this page does NOT cover (and where to go next)

• Specific grind settings for every single grinder model. (Check your grinder’s manual or online reviews for your specific model.)
• Detailed comparisons of different coffee bean origins and roast profiles. (Explore coffee blogs or talk to your local roaster.)
• Advanced brewing techniques like espresso extraction or Aeropress recipes. (Look for dedicated guides on those specific methods.)
• Troubleshooting specific malfunctions with automated coffee makers. (Consult your appliance’s user manual.)