Coffee
Caffeine in Starbucks Flat White (Grande)
195mg
per 16 oz
≈ 2 coffees≈ 2 Red Bulls49% of FDA daily max
Is that a lot?
Starbucks Flat White (Grande) is 49% of the FDA’s recommended daily maximum, in a single 16 oz.
Green tea
Espresso
Red Bull
Coffee
Starbucks Flat White (Grande)
FDA daily max · 400mg
Before bed
When can I drink Starbucks Flat White (Grande) and still sleep?
Your Starbucks Flat White (Grande) cutoff
You drink it at
Bedtime
Starbucks Flat White (Grande) · 195 mg · assuming an average ~5 h half-life
At bedtime
64 mg
may delay sleep
Latest safe Starbucks Flat White (Grande): 1:11 PM
How much caffeine is in Starbucks Flat White (Grande)?
A Grande Flat White is made with ristretto shots, giving it about 195 mg of caffeine under its velvety milk. The compact, focused taste belies a dose close to two cups of coffee.
| Serving | Caffeine | Sugar |
|---|---|---|
| 16 oz | 195 mg | 11 g |
Made with ristretto shots.
Will Starbucks Flat White (Grande) affect your sleep?
At 195 mg, a Grande Flat White needs roughly ten hours to fall under 50 mg, so a lunchtime one can still be active at bedtime. An earlier flat white is friendlier to your sleep.
Heads up
At 195 mg, a second Starbucks Flat White (Grande) in a day pushes you toward the FDA’s 400 mg ceiling — and that’s before any coffee or tea. Log everything in the calculator to see your real daily total.
Source: Starbucks official nutrition