Coffee To Water Ratio Calculator
Calculate the perfect coffee-to-water ratio for any brewing method and strength preference.
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Water Needed
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Water (metric)
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Coffee Needed
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Coffee (approx)
Recent Calculations
What Is Coffee To Water Ratio?
The coffee-to-water ratio determines the strength of your brew. The golden ratio is 1:16 (1 gram of coffee per 16 grams of water).
Formula
Coffee (g) = Water (mL) / RatioExample
4 cups (32 oz / 946 mL) at 1:16 ratio needs 59 g (about 12 tablespoons) of coffee.
Frequently Asked Questions
What ratio does Starbucks use?
Starbucks typically uses a 1:15 to 1:16 ratio. Their standard is about 10g of coffee per 6 oz cup.
Does grind size affect the ratio?
Finer grinds extract more, so you might want a slightly weaker ratio (1:17). Coarser grinds may need stronger (1:14).