How Much Ground Coffee In A Cafetiere? | Real Sources

The standard recommendation is about 1 tablespoon (7 grams) of ground coffee per 5–6 oz cup of water.

You probably already know that making coffee in a cafetière isn’t complicated. Grounds go in, hot water goes in, you wait, you press, you pour. What catches people off guard is how much ground coffee to actually use. Too little and the brew tastes thin; too much and it turns bitter.

The honest answer is that the “perfect” amount varies depending on your taste, your beans, and the size of your cafetière. But a range of popular recommendations exists—from a mild 1:20 all the way to a bold 1:10—and most coffee enthusiasts agree on a solid starting point around 1:15. Here’s what the numbers look like for different cafetière sizes.

Common Coffee-To-Water Ratios For French Press

Coffee experts often express the amount of coffee relative to water using a ratio. A 1:15 ratio means 1 gram of coffee for every 15 grams of water. Illy’s French press guide suggests a starting ratio of 1:20, which produces a lighter cup. On the other end, 92Degrees recommends a 1:10 ratio for a noticeably stronger brew.

Most recommendations cluster between 1:16 and 1:18, according to Grosche’s blog. PT’s Coffee uses 1:15 with 60g of coffee to 900g of water. These are all reasonable starting points for experimentation.

No single ratio is “correct.” The choice depends on your personal preference for strength and body. A finer grind or longer steep time will also extract more, so you may find you need less coffee to hit the same intensity.

Why The Perfect Amount Isn’t Fixed

People often expect a single number when they search for “how much ground coffee in a cafetière.” The reality is that three main variables shift the amount you’ll want to use.

• Your taste preference: Some people enjoy a bold, almost syrupy cup; others prefer a lighter, more tea-like brew. There’s no wrong answer, only a range that suits you.
• Coffee roast and freshness: Darker roasts have less density per scoop, so you may need slightly more by volume to hit the same strength. Freshly ground beans also extract more efficiently than stale ones.
• Grind size: A coarse grind works best for a cafetière to avoid over-extraction. If your grind is too fine, you might need to reduce the amount or shorten the brew time to avoid bitterness.
• Brew time and temperature: The standard 4–5 minute steep at 195–200°F is ideal. If you steep longer or use hotter water, you can extract more with less coffee—but it’s easier to start with standard timing and adjust coffee amount.
• Cup size definitions: A “cup” in cafetière markings is usually 5–6 oz, not the 8 oz mug you may be thinking of. This is a common source of under-dosing.

Once you understand these variables, the ratio becomes a tool, not a rule. You can dial in the exact amount that produces a cup you look forward to.

How Much Coffee For Different Cafetière Sizes

To take the guesswork out, here is a quick-reference table for common cafetière sizes. It uses the balanced 1:15 ratio as a baseline—a ratio that the ideal 1:15 ratio describes as a solid starting point for most people.

These numbers assume a coarse grind and a 4-minute steep. If you prefer a bolder cup, nudge toward the higher end of the range; for a milder cup, use the lower end. The key is to weigh your coffee at least once so you know what a tablespoon of your particular grounds really weighs.

Adjusting Strength To Your Taste

Once you’ve tried a 1:15 baseline, you may want to push the ratio in one direction. Coffee roasters vary their suggestions based on the beans they sell, so don’t be afraid to experiment.

If you find the coffee too weak, try moving toward a 1:13 or even 1:10 ratio. Per the stronger 1:10 ratio brew guide from 92Degrees, some roasters intentionally recommend a denser ratio to highlight the body of certain single-origin beans. If the coffee tastes harsh or overbearing, back off toward 1:18 or 1:20.

A simple way to dial in your preference is to keep the same brew time and water temperature, and only change the coffee mass. Brew two batches with different amounts and taste them side by side. Your palate will quickly tell you the right direction.

Using a kitchen scale removes the guesswork. A single tablespoon of ground coffee can vary from 5 to 8 grams depending on roast level and grind fineness, so measuring by weight is far more consistent than by volume.

Step-By-Step Guide For Your First Try

If you’re new to cafetière brewing, here is a simple process to get you a good cup on the first attempt. Stick with the 1:15 ratio and adjust later.

1. Measure your coffee: For an 8-cup cafetière, weigh out 60 grams of whole beans and grind them to a coarse consistency (like breadcrumbs).
2. Heat your water: Bring water to just off the boil—around 200°F (93°C). If you don’t have a thermometer, let boiling water sit for 30 seconds.
3. Add coffee and water: Put the grounds in the empty cafetière, pour about half the water, and stir gently to ensure all grounds are saturated. Then pour the remaining water.
4. Steep for 4 minutes: Place the lid on with the plunger pulled up. Set a timer. After 4 minutes, break the crust by stirring the top layer, then let it sit for another minute.
5. Press and pour: Slowly push the plunger down. Pour immediately into cups to stop extraction. Leaving coffee in the press will make it taste over-extracted.

This method gives you a clean, full-bodied brew. After a few tries, you can shorten or lengthen the steep time to fine-tune the flavor profile to your liking.

The Bottom Line

Starting with a 1:15 coffee-to-water ratio is a reliable baseline that works for most cafetière sizes. Adjust by a few grams at a time based on your roast, grind, and personal preference. The “right” amount is the one that makes you look forward to your next cup.

If you’re regularly unsatisfied with the strength of your cafetière coffee, try weighing your beans instead of using a scoop—a small kitchen scale costs less than a bag of specialty coffee and removes all the guesswork. Your local specialty coffee roaster may also tune their café’s ratio to complement their beans, so ask them for their recommendation next time you buy.