Daily How Much

Half a teaspoon of matcha lands near 20–45 mg of caffeine when the powder is close to 1 gram.

A typical 10-ounce brewed coffee lands around 95–150 mg of caffeine, with bean choice and brew strength driving the swing.

A level teaspoon of matcha often lands around 30–70 mg of caffeine, with the swing coming from powder weight, grade, and how it’s measured.

A level teaspoon of regular instant coffee powder has about 31 mg of caffeine, though a rounded spoon can land higher.

A single roasted coffee bean usually carries 1–3 mg of caffeine, with variety and bean size pushing it lower or higher.

A mug of brewed coffee usually delivers about 2–3× the caffeine of brewed green tea, though brew strength and cup size can flip it.

Only a small fraction reaches milk, peaking 1–2 hours after a cup; moderate intake usually keeps infant doses low.

Most babies take in roughly 1% of a parent’s caffeine intake through milk, with milk levels rising after a drink and often peaking within 1–2 hours.

Caffeine reaches milk fast, peaks around 1–2 hours, and most babies handle moderate daily intake when you watch totals and timing.

One gram of matcha often has 19–44 mg of caffeine, with shade-grown, younger-leaf powders trending higher.