Interactive tool
Coffee Ratio Calculator
Weigh your coffee and water and your results become repeatable overnight.
Interactive tool
Coffee Ratio Calculator
Work backwards from whichever number you already know.
Coffee-to-water ratio1:16
1:12 strong1:20 light
Your brew
- Coffee
- 1.04 oz
- Water
- 16 fl oz
- Approximate cups
- 2
A cup here is 8 US fl oz. Weigh your coffee for repeatable results — scoops vary by grind size and roast level.
Recommended ratios by method
| Method | Ratio |
|---|---|
| French Press | 1:15 (about 2.4 oz coffee per 34 fl oz water) |
| Pour Over | 1:16 |
| Drip Coffee | 1:16 to 1:17 |
| AeroPress | 1:14 |
| Moka Pot | Fill the basket level, no tamping |
| Espresso | 1:2 (0.63 oz in, 1.27 oz out) |
| Cold Brew | 1:8 for concentrate |
| Flash-Brewed Iced Coffee | 1:16, with 40% of the water as ice |
| Chemex | 1:16 |
| Turkish Coffee | 1 heaped teaspoon per demitasse |
Frequently Asked Questions
What does a 1:16 coffee ratio mean?+
One ounce of coffee for every sixteen ounces of water by weight. For 0.5 oz of coffee, use 8 oz of water by weight (about 7.7 fl oz).
How many ounces of coffee per cup?+
About 0.5 oz of coffee per 8 fl oz US cup at a 1:16 ratio by weight. Scale up with the calculator for larger batches.
Should I weigh water or measure volume?+
Either works, but fluid ounces measure volume and ounces on a scale measure weight. For precise ratios, weigh both coffee and water.