Coffee Calculators
Free coffee calculators for brew ratios, espresso extraction yield, caffeine content, water temperature, dose by cup size, and more.
Coffee Brew Ratio Calculator
Calculate the perfect coffee to water ratio for any brew method. Get exact gram measurements for pour-over, French press, drip, AeroPress, and cold brew.
Espresso Extraction Ratio Calculator
Calculate your espresso extraction ratio from dry coffee in and wet shot out. Instantly know if your shot is a ristretto, normale, or lungo — and dial in your recipe.