How much caffeine is in Starbucks Matcha Latte?
A Grande (16 fl oz) Starbucks Matcha Latte has 65 mg of caffeine.
That's about three quarters of a cup of brewed coffee, and 16% of the 400 mg a day the FDA cites for most healthy adults.
Source: starbucks.com · checked 10 Nov 2026
When did you have it?
Had at 3 pm, about 23 mg is still in you at an 11 pm bedtime. That should not affect most people’s sleep.
Your whole day, every drink, in the free CaffeineIQ check. The iPhone app is coming soon.
Sizes
| Size | Volume | Caffeine | mg per fl oz |
|---|---|---|---|
| Short | 8 fl oz (237 ml) | 20 mg | 2.5 |
| Tall, hot | 12 fl oz (355 ml) | 45 mg | 3.8 |
| Tall, iced | 12 fl oz (355 ml) | 40 mg | 3.3 |
| Grande shown above | 16 fl oz (473 ml) | 65 mg | 4.1 |
| Venti | 20 fl oz (591 ml) | 85 mg | 4.3 |
Iced and hot versions have the same caffeine except where the table lists them separately.
Source: starbucks.com · checked 10 Nov 2026
Latest time to drink it
For an 11 pm bedtime, most people should finish a Grande (16 fl oz) Starbucks Matcha Latte by about 8:40 pm. The table works it out for other bedtimes and for how sensitive you are: it is the latest time to start one so that the caffeine left stays under the line all night.
| Bedtime | Very sensitive under 25 mg | Average under 50 mg | Not very sensitive under 100 mg |
|---|---|---|---|
| 9 pm | 1:35 pm | 6:40 pm | Any time |
| 10 pm | 2:35 pm | 7:40 pm | Any time |
| 11 pm | 3:35 pm | 8:40 pm | Any time |
| Midnight | 4:35 pm | 9:40 pm | Any time |
| 1 am | 5:35 pm | 10:40 pm | Any time |
For a Grande (16 fl oz) Starbucks Matcha Latte, average clearance (half-life 5 h), 8 hours of sleep. "Any time" means even one at bedtime stays under the line.
How long it lasts
The caffeine from a Grande (16 fl oz) Starbucks Matcha Latte peaks in your blood about 75 minutes after you start it, at roughly 55 mg. Half of it is gone in about 5 hours for an average adult; that ranges from roughly 3 to 7 hours, and longer in pregnancy or with some medicines.
| Time after | 3 hours | 6 hours | 9 hours | 12 hours |
|---|---|---|---|---|
| Still in you | 46 mg | 30 mg | 20 mg | 13 mg |
So one had at 3 pm leaves about 23 mg at 11 pm. How long caffeine lasts explains the curve.
How it compares
Starbucks Matcha Latte is stronger than 19% of the 90 coffee-shop drinks we track, by caffeine per serving.
Per fluid ounce (4.1 mg) it is stronger than 19% of them.
To reach 400 mg in a day you would need about 6 of these.
Less caffeine
- Starbucks Dubai Chocolate Matcha 60 mg, Grande
- Starbucks Gingerbread Chai 60 mg, Grande
- Starbucks Iced Cream Chai 60 mg, Grande
More caffeine
- Starbucks Protein Matcha 75 mg, Grande hot
- Smoothie King Coffee High Protein 83 mg, 20 fl oz cup
- Starbucks Banana Bread Latte 85 mg, Tall
Same caffeine: Starbucks Caramel Protein Matcha, Starbucks Matcha Crème Frappuccino.
FAQ
Is Starbucks Matcha Latte high in caffeine?
It is moderate. A Grande (16 fl oz) Starbucks Matcha Latte has 65 mg, which is 68% of the 95 mg in an 8 fl oz cup of brewed coffee.
How much caffeine is in a Short Starbucks Matcha Latte?
A Short (8 fl oz) Starbucks Matcha Latte has 20 mg of caffeine, 45 mg less than a Grande (16 fl oz) Starbucks Matcha Latte.
How much caffeine is in a Venti Starbucks Matcha Latte?
A Venti (20 fl oz) Starbucks Matcha Latte has 85 mg of caffeine, 20 mg more than a Grande (16 fl oz) Starbucks Matcha Latte.
Can I drink Starbucks Matcha Latte at night?
Earlier is better. Had at 7 pm, it leaves about 40 mg in an average adult at an 11 pm bedtime. The latest time for an 11 pm bedtime is about 8:40 pm.
How long does the caffeine in Starbucks Matcha Latte last?
It peaks about 75 minutes after you start it. Of the 65 mg, about 30 mg is still in you 6 hours later and 13 mg after 12 hours, for an average adult with a 5-hour half-life.
Does Starbucks Matcha Latte have more caffeine than Red Bull?
No. A Grande (16 fl oz) Starbucks Matcha Latte has 65 mg; an 8.4 fl oz can of Red Bull has 80 mg.
Method and limits
The caffeine figure comes from starbucks.com and the other sources listed above; recipes, brewing and batches vary, so a real serving can differ. The curves use a standard one-compartment model with an average 5-hour half-life and a sleep-friendly line of 50 mg; your own body may clear caffeine faster or slower. How it works has the details.
These are estimates for information, not medical advice.
Related
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- Starbucks Nitro Cold Brew
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- Starbucks Caramel Brulée Frappuccino
- All coffee-shop drinks