Coffee & Espresso · Drink database
Caffeine in Starbucks Starbucks Flat White
195 mg
per grande (3 ristretto shots) High
≈ 12.2 mg per fl oz
Halfway to the ceiling in one go. Respect.
Every serving size
| Serving | Caffeine | % of 400 mg day | Finish by (10:30 PM bed) |
|---|---|---|---|
| Grande (3 ristretto shots) (16 oz) | 195 mg | 49% | 12:40 PM |
Cutoff column: average metabolism (5 h half-life), ~50 mg bedtime threshold — run it with your bedtime →
How it compares
Starbucks Starbucks Flat White 195 mg
Green tea (8 oz) 28 mg
Black tea (8 oz) 47 mg
Brewed coffee (8 oz) 96 mg
Monster (16 oz) 160 mg
Bang (16 oz) 300 mg
Spends a serious share of the 400 mg daily ceiling. Treat it as a morning-to-early-afternoon drink unless the calculator says otherwise. At 195 mg per grande (3 ristretto shots), this drink is 49% of the FDA's 400 mg daily ceiling for healthy adults.
Source: Manufacturer label · confidence: high
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