BrewCalc – Coffee Ratios

Better coffee, no guesswork. BrewCalc gives you the right coffee-to-water ratio for any brew method — instantly. Adjust one number and everything stays in sync. No accounts, no subscriptions, no internet required.

Built-in brew guides Every method comes with expert recommendations for grind size, water temperature, brew time, and ratio range — plus pro tips to improve your technique.

Works the way you brew Switch between 8 brew methods including Pour Over, AeroPress, French Press, Espresso, Moka Pot, and Cold Brew. Use standard mode or set cups and size to get the exact amount for a full pot.

Brew timer included Each method starts with a smart default time. Tap to edit hours, minutes, or seconds directly. Haptic feedback tells you when it's done.

Save your recipes Dial in a recipe you love? Save it as a preset and load it with one tap next time.

Designed to last No ads. No tracking. No subscriptions. Buy once, brew forever.