UD5 Toolkit
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.
Tag: Coffee Brew Timer & Ratio
4+ toolsCoffee Extraction Estimator – Online TDS & Yield from Refractometer
If you have a refractometer reading, enter TDS and brew weight to get extraction yield. Dial in your pour‑over.
Caffeine Half‑Life Tracker - Online Blood Level Visualizer
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.
Random Coffee Blend Name - Online Barista Fun
Invent a fancy coffee blend name with origin and tasting notes. Perfect for a fictional café menu. All local.