Coffee Ratio Calculator - Online Perfect Pour Over & French Press
Calculate coffee grounds and water needed for any brew method (SCA golden ratio). Adjust strength. Convert grams to tablespoons. Local only.
UD5 Toolkit
Calculate coffee grounds and water needed for any brew method (SCA golden ratio). Adjust strength. Convert grams to tablespoons. Local only.
If you have a refractometer reading, enter TDS and brew weight to get extraction yield. Dial in your pour‑over.
Visualize how caffeine decays in your body over time. Enter intake amount and see remaining caffeine at bedtime to optimize sleep. Uses standard 5-hour half-life.
Invent a fancy coffee blend name with origin and tasting notes. Perfect for a fictional café menu. All local.