Tools
Field instruments
Each calculator answers one job. Assumptions stay visible.
Money
Cost per Cup
Beans price + bag size + brew dose + waste + machine cost spread over cups.
Open instrument →Recipe
Brew Ratio & Recipe
Dose → ratio → yield + recommended starting grind band by method.
Open instrument →Competition
Cupping Scorecard
Aroma, flavor, aftertaste, acidity, body, balance — totals and winner for two cups.
Open instrument →Money
Machine Total Cost of Ownership
Machine price + annual maintenance + consumables, divided by lifetime cups.
Open instrument →Money
Home vs Café Break-Even
Setup + machine cost divided by per-cup savings vs your café price.
Open instrument →Recipe
Espresso Dose, Ratio & Yield
Espresso-only dose → ratio → yield with a starting shot-time reference band.
Open instrument →Money
Machine + Grinder Budget Split
Set your own machine vs grinder percentage split — no universal rule baked in.
Open instrument →Care
Maintenance Cost & Schedule
User-entered descale and filter intervals with manual-disclaimer totals.
Open instrument →Energy
Energy Cost Scenario
Brew cycles, keep-warm events, state hours, and electricity rate — formula coffee-energy-v1.0.0.
Open instrument →