The recipe tastes wrong
Use a compass
The Brew Compass covers filter coffee; the Espresso Compass covers espresso. Both turn what you taste into one change.
Tools
Take the guesswork out of the next cup
Diagnose what went wrong or calculate a repeatable starting recipe. These tools work in your browser without an account.
Coffee ↔ water Coffee Ratio Calculator Enter the amount you have and calculate coffee, water, and estimated finished yield. Taste → adjustment Coffee Troubleshooting Tool Choose what tastes wrong and get one method-specific change for your next brew. Shot → next recipe Espresso Dial-In Tool Enter your dose, yield, and time and get the exact next shot—grind direction, steps, and target.
Which tool should you use?
You need different quantities
Use the ratio calculator
The coffee ratio calculator scales a working ratio to the coffee dose or water amount you already have.
You need a starting recipe
Choose a brewing method
Begin with a measured baseline before troubleshooting or changing its ratio.