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.

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.

Caffeine

0 / 400 mg

Nothing logged today. Log a bowl in the journal and it lands here.

Estimates only, based on about 34 mg of caffeine per gram of matcha. 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.

Premium

Export is a Premium tool

Download your brew journal as JSON or CSV, or print it as a dated brew log: a portable record you can open in a spreadsheet, move to another browser, or file on paper. Premium also unlocks the tin cellar and the printable sheets. Logging brews stays free and unlimited.

Every recipe, the brewing guide, the glossary, the reference tin catalogue, and all the calculators stay free forever.