Coffee Ratio Calculator
Convert coffee grams into brew water for pour-over, French press, espresso-style, and cold brew ratios.
Pick a common starting ratio.
Ground coffee dose.
Water grams per gram coffee.
Enter coffee grams and ratio.
Common Coffee Ratios
Useful brew ratios before adjusting for taste.
Pour-over
Clean drip-style coffee, often adjusted between 15:1 and 17:1.
French press
Fuller immersion coffee, often near 14:1 to 16:1.
Espresso-style
Output beverage ratio, not brew water added to a filter.
Cold brew concentrate
Concentrate ratio before dilution, often 6:1 to 10:1.
Coffee Ratio FAQ
Common questions about coffee dose and brew water.
What does a 1:16 coffee ratio mean?
It means 1 gram of coffee for every 16 grams of water. For 30 g coffee, use about 480 g water.
Are milliliters and grams the same for water?
For practical coffee brewing, 1 g water is close enough to 1 ml water.
Why is espresso listed differently?
Espresso ratios usually describe beverage output compared with coffee dose, not water poured over grounds.