Ratio
Scale any bowl
1 : 35matcha to water
2 gmatcha
70 mlwater
75 °Ctemp
noneice
Whisk in 70 ml of water at 75 °C. About 68 mg caffeine, estimated at about 34 mg per gram of matcha, which varies by cultivar, grade and harvest.
Tools
The arithmetic, done for you
Scale a bowl to your dose, watch the day's caffeine against a cap you set, and cost your matcha against the cafe. Everything runs in this browser.
Caffeine
0 / 400 mg
Nothing logged today. Log a bowl in the journal and it lands here.
Counts bowls logged since midnight on this device, so it resets each morning rather than losing anything. Estimated at about 34 mg of caffeine and 25 mg of L-theanine per gram of matcha. Cultivar, grade and harvest all move the real figure, so treat these as a guide, not a measurement. Not medical advice.
Cost
At home vs the cafe
$2.00per bowl at home
30bowls (est.)
$60.00home cost
$195.00cafe equiv
$135.00saved
Modelled on one standard 2 g bowl a day for 30 days. Log brews and this switches to your real history. At these prices the tin pays for itself after 7 bowls.
Backup
Take your journal with you
The JSON file holds everything this browser has stored: every brew, your tins, your notes, the guide cards you have ticked off and your calculator settings. It is free, it is yours, and it can be read back here on any browser.
Nothing logged yet. The backup still works, it will just be an empty journal.
The formatted exports are Premium
A spreadsheet CSV of the brew log and the dated printable brew log, laid out to file or hand over. The raw JSON backup above is free, so your journal is never trapped in this browser.
Every recipe, the brewing guide, the glossary, the reference tin catalogue, and all the calculators stay free forever.