Tap this card when the dose is fixed and the rest should follow it.
Kitchen math, not coffee content
Brew Ratio Bar
Click the field you want to solve around, swap methods, and keep the gram math visible while the cup size changes.
Structure
Split-pane brew board
Mode
Pour-over station
Anchor
Cup yield
Method rail
Choose the station, then tune the numbers
The ratio stays editable at all times. Dose, water, and cup yield take turns as the live anchor.
Useful when the kettle or brewer caps your water budget.
Ideal for sizing a mug, travel tumbler, or batch pot before grinding.
Live ratio
Water per gram