Coffee Ratio Calculator
The perfect brew ratio.
Coffee Ratio Calculator
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Calculated instantly
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What This Calculator Does
The Coffee Ratio Calculator determines the ideal coffee and water amounts for various brewing methods. A golden ratio of 1:15 to 1:18 is standard for drip coffee.
How It Works
Enter your desired coffee amount or water amount. The calculator applies the brewing ratio to determine the other.
Example
For 350ml of drip coffee at 1:16 ratio: 350/16 = 21.9g of coffee.
Formula
Coffee = Water / RatioReading the Results
Coffee Needed
Grams of coffee beans for your desired water amount.
Strength
The concentration percentage of the brew.
Frequently Asked Questions
What is the golden ratio for coffee?
Most specialty coffee recommends 1:15 to 1:18 (coffee to water by weight).
How strong is espresso?
Espresso uses a 1:2 ratio, making it about 8x stronger per volume than drip coffee.
Does grind size matter?
Yes. Fine for espresso, medium for drip, coarse for French press. Grind affects extraction time and flavor.