Coffee Ratio Calculator
Coffee-to-water ratios for any brew method.
1:15–1:17 typical
BolderDefaultLighter
Recipe
Coffee
31.3g
Water
500g
Ratio 1:16.0
About
Pick a brew method (drip, pour-over, French press, espresso, AeroPress, cold brew) and a target output, and the calculator gives you the coffee and water amounts. Defaults follow SCA (Specialty Coffee Association) recommendations, with sliders to dial in stronger or weaker.
How to use
- Pick your brew method.
- Enter how many milliliters or cups of coffee you want.
- See coffee grams and water grams. Adjust the strength slider if you want bolder or milder.
FAQ
What does '1:16 ratio' mean?+
One gram of coffee per 16 grams of water. So 30g coffee × 16 = 480g water. Lower numbers (1:14) brew stronger. Higher (1:18) brew weaker.