Get the perfect coffee-to-water ratio for pour-over, French press, espresso, and more. Use golden ratio guidelines for consistently delicious coffee.
Pour Over Recommendations
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The secret to great coffee is the right ratio of coffee to water. Our calculator provides golden ratios for every brewing method, helping you achieve barista-quality results at home.
The coffee-to-water ratio expresses how much coffee grounds to use per unit of water. For example, a 1:15 ratio means 1 gram of coffee for every 15 grams of water. Different brewing methods have different optimal ratios.
Coffee Ratio Formula
Coffee (g) = Water (ml) ÷ RatioAchieve the same great taste every morning.
Optimal ratios differ for pour-over, espresso, cold brew, etc.
Find your perfect strength from mild to bold.
1:15 to 1:17 ratio for clean, bright flavors.
1:12 to 1:15 ratio for full-bodied, rich brew.
1:2 ratio for traditional 18g in, 36g out.
1:5 to 1:8 ratio (concentrated) to dilute later.
The SCA (Specialty Coffee Association) recommends 1:15 to 1:18 for most brewing methods. This produces balanced extraction with 18-22% of coffee solids dissolved.