Coffee Ratio Calculator
Works out the coffee-to-water ratio for pour over, French press and cold brew, which are all different. Decide how much you want to drink and it tells you how many grams to grind.
🍳 Numbers to start from — adjust to your own kitchen and taste.
Coffee 20g · Water 300ml
Medium grind · 2:30–3:00
20g
Coffee
300ml
Water
1 : 15
Ratio
The ratio is only a starting point. At the same ratio, water temperature (90–95°C) and grind size still change the taste a lot. Bitter and muddy means grind coarser or drop the temperature; thin and sour means grind finer or brew longer.
What this tool does
- Ratio per brewing method
- Coffee weight from the cup size
- Or work from the coffee weight instead
- Grind size and brew time
Other cooking tools
Ovens, pans and ingredients all vary, so treat these as a starting point rather than an exact answer.