A grande Starbucks caramel macchiato has 150mg of caffeine, hot or iced, from two shots of espresso. Sizes run from 75mg for a short or tall up to 225mg for an iced venti. The one number people get wrong is the venti, because the hot and iced versions are not the same. Full breakdown is verified against Starbucks nutrition and Caffeine Informer below.
Why the venti is the trick question
Caramel macchiato caffeine tracks the espresso shots, not the cup size. Starbucks builds a short and a tall on one shot, a grande on two shots. From there hot and iced split. A hot venti stays at two shots, so it lands at 150mg, the same as a grande. An iced venti gets a third shot to fill the taller cold cup, which pushes it to 225mg.
So if you order a venti expecting more caffeine, only the iced one delivers. A hot venti is a bigger drink with more milk and more caramel, but the same caffeine as the grande you could have bought for less. That is the single most useful thing to know at the register.
Caramel macchiato caffeine by size
| Size | Espresso shots | Caffeine (hot) | Caffeine (iced) |
|---|---|---|---|
| Short (8 oz) | 1 | 75mg | n/a |
| Tall (12 oz) | 1 | 75mg | 75mg |
| Grande (16 oz) | 2 | 150mg | 150mg |
| Venti (20 oz hot / 24 oz iced) | 2 hot, 3 iced | 150mg | 225mg |
Numbers are the standard menu build with Starbucks Espresso Roast. Short is a hot-only size, so there is no iced short. If you order the drink with an extra shot, add roughly 75mg to whatever line you are on. Decaf caramel macchiato is not zero either, it carries a few milligrams per shot, but for practical purposes treat it as trace.
What changes the number on your order
Only the espresso moves the caffeine. The caramel drizzle, the vanilla syrup, the steamed milk, and the whipped nothing on top add calories and sugar, but no caffeine. That is why a skinny caramel macchiato or an oat milk swap reads exactly the same as the standard build on this table. If you want less caffeine, you drop a shot or size down, you do not change the milk.
Two easy add-ons do move it. Asking for an extra shot adds about 75mg, so an extra-shot grande is closer to 225mg. Swapping the regular Espresso Roast for Blonde Espresso also nudges it up, because the lighter roast pulls slightly more caffeine per shot, roughly 85mg instead of 75mg on Starbucks' own figures. Those two together are how a grande quietly becomes the strongest drink on the menu without looking like it.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. How caffeine affects you depends on your own tolerance and health, so treat these numbers as information, not advice.
How it compares to other Starbucks drinks
The caramel macchiato sits in the same caffeine tier as most of the Starbucks espresso lineup, because they share the same shot logic. A grande latte, cappuccino, flat white, and caramel macchiato are all built on two shots, so they all read 150mg at grande. The flat white is the exception that runs higher because it uses ristretto shots. Brewed Pike Place coffee actually beats all of them, a grande pours around 310mg, since drip coffee steeps far more caffeine than a couple of espresso shots.
The takeaway for a regular caramel macchiato drinker: your drink is moderate, not high. Two of them in a day is 300mg, still under the FDA's 400mg marker. Where people creep up is the extra shots and the second afternoon cup, not the base drink.
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Related caffeine guides
- Pumpkin spice latte caffeine by size
- Starbucks Doubleshot caffeine content
- The full caffeine database
FAQ
Does an iced caramel macchiato have more caffeine than a hot one? Only at venti. A tall and grande are identical hot or iced, 75mg and 150mg. An iced venti gets a third shot for 225mg, while a hot venti stays at two shots and 150mg.
How much caffeine is in a grande caramel macchiato? 150mg, from two shots of espresso, and that is the same figure for both the hot and iced grande.
Is a caramel macchiato high in caffeine? No, it is moderate. Most sizes land between 75 and 150mg, and only the iced venti reaches 225mg, all well inside the FDA's 400mg daily marker for healthy adults.