Coffee to Water Ratio Calculator

Find how much ground coffee to use for your water volume at a chosen brew ratio.

Usage Tip

Weigh both coffee and water for the most repeatable cup.

Coffee Needed
g
Ground coffee by weight
THE MATH
coffee = water ÷ ratio
A 1 to 16 ratio means 16 g of water for every 1 g of coffee.
Common brew ratios run from 1:15 (stronger) to 1:18 (lighter).
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