Use the coffee brewing calculator below to calculate how much water to add per type of coffee brew. For espresso brewing, quantity of water is the amount of water in the final cup. In the other brew methods, quantity of water is how much water to use for that brew.
Remember that the coffee will absorb 2-3 times its weight in water during the brew.
How to use the calculator
Select the type of brew you want, enter the grams of coffee you have, and the calculator will tell you how much water to add.
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Coffee brewing calculator
Total Summary
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The type of brew is reflected as a ratio under total.
Recommended Coffee Brew Ratios
| Type of coffee Brew | Brewing ratio to start with |
|---|---|
| Espresso (old school/dark roast) | 1:2 |
| Espresso (light roast) | 1:2.5 |
| Mocha Pot/Italian pot | 1:4 |
| AeroPress/AeroPress Go | 1:11 |
| French Press (Plunger) | 1:16 |
| Hario V60/Kalita (pour-over) | 1:16.5 – 16.6666 |
| Chemex | 1:17 |
| Auto Drip filter | 1:18 – 1:18.5 (we use 1:18.182) |
Try your own ratios, see what you think
Read more
Interested in coffee brew ratios? Then why not read more on the SCA site here…
Or read our explanation about brew ratios in the three lessons we put together about it:
- Lesson 1&2: Brew variables series – Talk 1 & 2: Extraction and ABCD
- Lesson 3: Brew variables series – Talk 3: Ratio and Introduction to dose
- There was no additional lessons due to lack of interest 🙂
