By Zencalcy Editorial TeamLast reviewed About us
The golden ratio for most methods is 1:15 to 1:17 (1 gram coffee per 15–17 g water). This calculator tells you exactly how much coffee and water for any cup count and method.
Ideal beans-to-water ratio for any brew method.
coffee (g) = water (ml) ÷ ratio · water (ml) = coffee (g) × ratio
| Symbol | Meaning |
|---|---|
| ratio | 1:15 to 1:17 for most methods; 1:2–1:3 for cold brew |
8 cups drip (960 ml water) → 960 ÷ 16 = 60 g coffee. Cold brew 1 L (1000 ml) → 1000 ÷ 25 = 40 g coffee.
Continue with the Coffee Calculator, Coffee Footprint Calculator, or the Coffee Kick Calculator — or browse more coffee & tea tools and all cooking calculators.
1:15 to 1:17 for drip, pour-over, French press. Cold brew uses 1:2 to 1:3 (very strong, dilute before drinking).
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Content updated: September 2026