Interactive helpers
Tea tools
Seven free calculators and choosers for everyday decisions — caffeine, temperature, ratio, matcha dose, bitter cups, gongfu sessions, and where to start.
Start here
Core calculators
The three questions people ask first: caffeine, heat & time, leaf amount.
Dose · fix · path
Matcha, troubleshooting & sessions
Powder ratios, bitter-cup decision tree, multi-infusion ladder, and a first-leaf chooser.
- Quick fix Matcha dose & latte Powder grams, water, and milk for usucha or latte strength. Open
- Quick fix Why is my tea bitter? Short decision tree — heat, time, leaf, and how to fix the next cup. Open
- Path finder Gongfu session planner Leaf, water, and a simple multi-infusion timing ladder. Open
- Path finder Loose-leaf starter chooser A few questions → a first tea path and which guides to open. Open
How to use them
Question first, then the guide
Tools answer a moment of friction. When you want the full story, jump into the matching hub.
- 01 Name the question Caffeine day total, bitter cup, matcha dose, gongfu ladder, or “where do I start?”
- 02 Match how you brew Western mug, gongfu vessel, cold brew, bag, or whisked powder — the estimate only helps if the method matches.
- 03 Cross-check a guide Open brewing, matcha, caffeine, or beginners when you want technique and context beyond the number.