Tools

Free coffee calculators

Small, fast tools that run in your browser. No sign-up, no tracking of what you type.

Coffee-to-water for pour-over, French press, AeroPress and espresso.

What your home coffee really costs versus the café.

Pick a space and a budget tier and get an itemised shopping list.

Caffeine per drink and your daily total against the 400 mg guideline.

Everything is computed on your device. Nothing you type leaves the page.

Defaults are the numbers we brew with at home, not textbook averages.

Each tool has a Pinterest-ready card so you can save it to a board.