How much caffeine is in Starbucks Watermelon Twist?

Starbucks Watermelon Twist by Starbucks contains 160mg of caffeine per can.

Is Starbucks Watermelon Twist sugar-free?

Yes, Starbucks Watermelon Twist is sugar-free.

How many calories are in Starbucks Watermelon Twist?

Starbucks Watermelon Twist has 5 calories per can.

How does the caffeine in Starbucks Watermelon Twist compare to daily guidelines?

One can (12 fl oz): 160 mg caffeine (about 13.3 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.

Does Starbucks Watermelon Twist have more caffeine than a cup of coffee?

Yes. At 160 mg, Starbucks Watermelon Twist has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).

Starbucks

Starbucks Watermelon Twist

Availability last checked Sep 28, 2026

160mgMore caffeine than 29% of the drinks we track

lifestyleSugar-free

Caffeine: 160mg; ≈ 1.5 cups of coffee
Sugar: 0g
Calories: 5

How it compares

vs. 1,014 drinks

Caffeine: 160mg
Sugar: 0g
Calories: 5

Based on every drink in our catalog. See the category-wide data

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Key performance ingredients

Tap an underlined ingredient to see what it is.

Base & flavoring ingredients

Carbonated Water
Citric Acid
Natural Flavors
Sucralose
Sodium Benzoate (Preservative)
Fruit and Vegetable

Label not yet re-checked

Frequently asked questions

How much caffeine is in Starbucks Watermelon Twist?: Starbucks Watermelon Twist by Starbucks contains 160mg of caffeine per can.
Is Starbucks Watermelon Twist sugar-free?: Yes, Starbucks Watermelon Twist is sugar-free.
How many calories are in Starbucks Watermelon Twist?: Starbucks Watermelon Twist has 5 calories per can.
How does the caffeine in Starbucks Watermelon Twist compare to daily guidelines?: One can (12 fl oz): 160 mg caffeine (about 13.3 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.
Does Starbucks Watermelon Twist have more caffeine than a cup of coffee?: Yes. At 160 mg, Starbucks Watermelon Twist has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).
What sweetens Starbucks Watermelon Twist?: Sweetened with Sucralose.