How much caffeine is in a vanilla latte? The Starbucks numbers

A grande (16 oz) Starbucks Vanilla Latte has 150mg of caffeine, per the Starbucks nutrition listing (menu). That works out to 9.4mg per fluid ounce and about 1.6 cups of 8 oz brewed coffee. It takes about 2.7 grandes to reach the 400mg daily amount the FDA cites for healthy adults.

Caffeine by size

Per-size figures match Caffeine Informer's compiled Starbucks guide (source), which mirrors the Starbucks nutrition listing.

The grande against the standards

How the number behaves

Vanilla syrup carries no caffeine, so a vanilla latte matches the plain latte exactly: one shot in short and tall, two in grande and venti. The same holds for caramel, hazelnut, and the other syrup flavors. Only add-ins that contain cocoa or extra espresso move the number, which is why the mocha runs higher while every syrup latte stays at 150mg for a grande.

Compare it

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For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

FAQ

How much caffeine is in a vanilla latte at Starbucks? 150mg in a grande (16 oz), per the Starbucks nutrition listing. Sizes run 75mg short, 75mg tall, 150mg grande, and 150mg venti.

Is a Starbucks vanilla latte stronger than regular coffee? Per drink, yes: 150mg in a grande versus 95mg in an 8 oz cup of brewed coffee. Per ounce it is 9.4mg versus 11.9mg, so coffee is still more concentrated.

How many grande vanilla lattes reach 400mg of caffeine? About 2.7 of the 16 oz grande servings reach the 400mg daily amount the FDA cites for healthy adults.

Sources: the Starbucks Vanilla Latte figures (150mg grande and the per-size ladder) are the Starbucks published nutrition listing (source), corroborated by Caffeine Informer's Starbucks guide (source). Brewed coffee (95mg per 8 oz) and espresso (63mg per 1 oz) reference values are from USDA FoodData Central.