Coffee to Water Ratio Calculator – Perfect Pour Over & French Press
Use the golden ratio for coffee brewing. Enter water volume or coffee weight to instantly get the right amount of grounds for your preferred strength.
UD5 Toolkit
Use the golden ratio for coffee brewing. Enter water volume or coffee weight to instantly get the right amount of grounds for your preferred strength.
Calculate coffee grounds and water needed for any brew method (SCA golden ratio). Adjust strength. Convert grams to tablespoons. Local only.
Select roast level (cinnamon, city, full city, etc.) and see approximated Agtron color value and bean temperature.
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.
If you have a refractometer reading, enter TDS and brew weight to get extraction yield. Dial in your pour‑over.
Invent a fancy coffee blend name with origin and tasting notes. Perfect for a fictional café menu. All local.