The basic method: water, grounds, and filter

Making coffee with a filter means pouring hot water through ground coffee held in a filter, letting gravity pull the water through the grounds and into a cup or pot below. The filter traps the grounds while the water picks up flavor and caffeine. You can do this with a straightforward cone-shaped dripper, a flat-bottomed filter holder, or even a mug—all you need is a filter, grounds, and hot water.

The process takes about three to five minutes from start to finish. The coffee that comes out is cleaner-tasting than some other methods because the paper or metal filter catches the fine particles that would otherwise end up in your cup.

Key Takeaways

  • Use a ratio of about one tablespoon of ground coffee per six ounces of water, though you can adjust this to taste.
  • Water temperature should be between 195 and 205 degrees Fahrenheit—just off boiling, not actively bubbling.
  • Wet the filter first with a small amount of hot water to remove paper taste and warm the cup or pot underneath.
  • Pour water slowly in a circular motion to keep the grounds evenly wet throughout the brewing time.

What you need before you start

Gather these items: a filter (paper or metal), ground coffee, hot water, and something to brew into (a mug, cup, or carafe). If you don't have a dedicated dripper, you can balance a filter cone over a mug or use a pour-over cone that sits on top of a cup. Some people use a straightforward mesh strainer in a pinch, though it lets through more fine particles.

The grind size matters. For filter brewing, use medium-ground coffee—finer than sand but coarser than powder. If your grounds are too fine, water moves through slowly and the coffee tastes bitter. If they're too coarse, water rushes through and the coffee tastes weak and sour.

Getting the water temperature right

Water that is too hot burns the grounds and makes the coffee taste harsh. Water that is too cool doesn't extract enough flavor. The target is between 195 and 205 degrees Fahrenheit. If you have a thermometer, use it. If you don't, boil water and let it sit for about 30 seconds before pouring—that's close enough for most home brewing.

A straightforward electric kettle with a temperature setting removes the guesswork. If you're using a stovetop kettle, turn off the heat and wait half a minute after it stops steaming. The water will still be hot enough to brew properly.

Step-by-step brewing

Step 1: Prepare the filter and dripper. Place the filter in your dripper or cone. If it's paper, run a small amount of hot water through it to rinse away the papery taste and warm up the cup or pot underneath. Discard that water.

Step 2: Add the grounds. Pour your ground coffee into the wet filter. For a standard cup, use about one tablespoon of grounds per six ounces of water. A standard mug is roughly eight to ten ounces, so use one and a half to two tablespoons of grounds.

Step 3: Bloom the grounds. Pour just enough hot water to wet all the grounds—about twice the weight of the grounds themselves. Let it sit for 30 to 45 seconds. This allows carbon dioxide trapped in the grounds to escape, which helps the water extract flavor more evenly.

Step 4: Pour the rest of the water. Slowly pour the remaining hot water in a circular motion, keeping the grounds wet but not submerged in standing water. This takes about two to three minutes. Pour in stages rather than all at once—it gives the water time to extract flavor as it passes through.

Step 5: Wait for dripping to finish. Once you've poured all the water, let gravity finish the job. The coffee should stop dripping within a minute or two. Remove the filter and grounds, and your coffee is ready to drink.

Paper filters versus metal filters

Paper filters trap more of the fine particles and oils, giving you a cleaner, lighter-tasting cup. They're cheap, disposable, and come in different sizes to fit various drippers. The downside is that they create waste, and some people taste a slight paper flavor if you don't rinse them first.

Metal filters (usually stainless steel mesh) let more oils and fine particles through, so the coffee tastes fuller and heavier. They're reusable and produce no waste. The trade-off is that they require rinsing after each use, and some people find the slightly thicker mouthfeel less clean-tasting. Metal filters also wear out over time and may develop small holes that let grounds through.

Common mistakes and how to avoid them

Pouring all the water at once is the most common error. When you dump the water in, it rushes through the grounds too fast and doesn't extract enough flavor. Pour in stages over two to three minutes instead, and you'll get a better result.

Using water that's too hot makes the coffee taste burnt or bitter. Using water that's too cool leaves it tasting weak and flat. Stick to the 195 to 205 degree range, and taste your coffee after a few brews to see if you need to adjust.

Grinding the coffee too fine clogs the filter and makes the water sit in the grounds too long, over-extracting and creating a harsh taste. Grinding too coarse lets the water race through without picking up enough flavor. Medium grind is the standard starting point—if your coffee tastes off, adjust the grind before you adjust anything else.

Frequently Asked Questions

Can I reuse a paper filter?

You can rinse and dry a paper filter to use it once or twice more, but it becomes fragile and may tear. Most people use them once and throw them away. Metal filters are the better choice if you want to reuse.

What if my coffee tastes weak?

Use more grounds (increase to two tablespoons per six ounces), make sure your water is hot enough, or grind the coffee finer. If the water is running through too fast, the grind is probably too coarse. Adjust one thing at a time so you know what made the difference.

How long can I let the grounds sit in the filter before brewing?

Brew right away—don't let grounds sit in the filter with water for more than a few minutes, or the coffee will taste over-extracted and bitter. If you're not ready to drink it, brew it fresh when you are.

Do I need a special dripper, or can I use anything?

A cone or flat-bottomed dripper is easiest, but you can balance a filter over a mug, use a pour-over cone, or even hold a filter in a strainer. The key is that the filter stays in place and the brewed coffee drips into your cup without the grounds falling through.