Matcha Latte Caffeine: How Much Caffeine is in Your Drink?

A standard matcha latte made with 1 teaspoon (240 ml) of matcha contains 70 mg of caffeine.

• 1 tsp matcha latte (240 ml) = 70 mg caffeine (dataset value).
• Drip coffee (240 ml) = 96 mg200 mg
• Average caffeine halves roughly every 5.7 hours: after 6 h about 48% remains.
• FDA guidance: healthy adults ≤ 400 mg/day; pregnancy often advised ≤ 200 mg/day (see FDA/Mayo Clinic).

Caffeine in Matcha Latte: An overview

Matcha is stone-ground green tea leaves consumed whole; the dataset lists Matcha (1 tsp) in a 240 ml preparation as 70 mg of caffeine. That 1-tsp figure is the clean baseline cafés and recipes typically refer to. Because the powder is ingested rather than steeped, matcha delivers more caffeine per gram than a single cup of steeped green tea (dataset: green tea 240 ml = 28 mg).

Caffeine levels by drink size and common café pours

Most cafés vary the amount of powdered matcha. Some use 1 tsp (70 mg), others 1.5–2 tsp. When a menu lists a “matcha latte” without specification, expect roughly 70 mg for a single-tsp build; if the barista adds two scoops, the dose roughly doubles (estimate — dataset has only the 1-tsp value).

How matcha compares to coffee, tea, and energy drinks

Matcha (70 mg per 240 ml) sits between steeped green tea (28 mg) and a standard cup of drip coffee (96 mg). Compared with energy drinks and specialty coffee: cold brew (200 mg/240 ml) and Starbucks Pike Place Grande (310 mg/473 ml) deliver substantially more caffeine per serving (dataset values). The form matters: powdered matcha yields a steadier ramp because you ingest the leaf and its L-theanine content blunts jitteriness for many people.

Factors that change caffeine in a matcha latte

Key drivers:

• Portion of matcha powder — dataset: 1 tsp = 70 mg; more scoops increase mg roughly linearly (estimate for >1 tsp).
• Grade and leaf part — ceremonial-grade tends to use younger leaves with slightly higher caffeine density than lower-grade culinary leaf (general tea science; quantify per batch with lab data when necessary).
• Milk volume and dilution — adding more milk lowers mg per 100 ml but not the total mg.
• Preparation method — whisked matcha disperses all soluble and insoluble components, so you absorb the whole 70 mg listed for 1 tsp.

Caffeine decay: how much remains hours after your matcha latte

Use the population-average half-life of 5.7 hours to estimate remaining caffeine. The common approximations are: after 3 h ≈ 69% remains, 6 h ≈ 48%, 9 h ≈ 33%, 12 h ≈ 23%.

Example: a 70 mg matcha latte still contributes roughly 34 mg after 6 hours, which can matter if you drink late afternoon and are sensitive to sleep disruption.

Health considerations and safe limits

Authoritative guidance: the FDA and Mayo Clinic commonly reference a 400 mg/day upper intake for healthy adults; many pregnancy resources and the American College of Obstetricians recommend limiting caffeine to ~200 mg/day and the American Academy of Pediatrics discourages caffeine for adolescents. For people with anxiety, arrhythmias, or certain medications, even 70 mg can trigger symptoms — consult your clinician.

Matcha can be part of a moderate caffeine intake: one 1-tsp matcha latte (70 mg) fits comfortably under the 400 mg/day ceiling. Two or more double-scooped matcha lattes or combining matcha with coffee/energy drinks can push daily intake high quickly.

Timing, sleep, and practical tips

If you’re sleep-sensitive, stop caffeine roughly 6–8 hours before bedtime. Using the decay table above, a 70 mg matcha at 4 pm leaves ~34 mg at 10 pm. Track cumulative daily caffeine to avoid hidden sources (sodas, chocolate, pre-workout). CoffeeLog automates this tracking across drinks and brands if you want a simple log.

Quick advice for ordering and making matcha lattes

• Ask the barista how many scoops they use — 1 scoop = dataset 70 mg baseline.
• Request less powder or a smaller size to lower your mg intake.
• Prefer ceremonial-grade for flavor — it may let you use less powder and still get a pronounced taste.

Sources and notes

Dataset caffeine values used above are the authoritative list included on this page. For health limits and safety guidance, consult FDA recommendations, Mayo Clinic resources, EFSA opinions, and American Academy of Pediatrics guidance. This page is informational and not medical advice; consult a healthcare provider for personal recommendations.