Move the sliders to see how grind, temperature, ratio, time, and agitation push your coffee toward sour, sweet, or bitter. Pick a brewer to bring its shape and bypass behavior into the model too — bypass water skips the coffee bed and dilutes your cup, shown as the gap between the two dots on the chart.
Start from a method preset, then fine-tune.
Where your cup lands — same logic as the SCA brewing control chart.
Modeled from your current settings.
Enter the coffee and settings you actually used, then rate how the cup tasted. Saved entries are visible to everyone using this tool.
What you brewed.
What you actually used to brew it.
What the model expects from these settings.
How it really tasted to you.
See what everyone's brewing — try a recipe yourself, or check out the highest-rated cups.