Coffee Tools

Calculate the perfect coffee to water ratio for pour over, French press, cold brew, and 10 brew methods.

Track your daily caffeine from coffee, tea, energy drinks, and soda against FDA safe limits.

See when caffeine leaves your system with a visual decay curve. Find your last safe coffee time.

Calculate the perfect cold brew concentrate or ready-to-drink ratio with batch size presets.

Calculate calories and macros in your coffee. Choose drink type, milk, sweetener, and compare drinks.

See how much you spend on coffee per year and what investing those savings could grow to.

Dial in your espresso with dose, yield, and ratio. Ristretto, normale, and lungo presets.

Find the right grind size for your brew method with grinder setting converter for popular grinders.

Step-by-step guided brew timer for pour over, French press, AeroPress, Chemex, and more.

Check if your coffee beans are still fresh. See peak flavor window and expiration timeline.