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Starbucks US Flat White (Short): calories, sugar and caffeine by portion, age and sex

Starbucks US Flat White (Short), flat white with latte art in a white cup, nutrition and calories

Boone’s analysis puts Starbucks US Flat White (Short) at 6% of an adult’s daily calories, 0.0 teaspoons of added sugar and 130mg of caffeine.

How many calories are in a Starbucks US Flat White (Short)? It contains 110 calories, 5g of fat (3g saturated), an estimated 0g of added sugar and 70mg of sodium, plus 130mg of caffeine.

Build a full order with our nutrition calculator

Use the Boone meal calculator to see this drink alongside the rest of your order rather than on its own. Choose your age and sex, and switch between US and UK guidance, for a more accurate view of how a Flat White (Short) fits into a day.

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Nutrition information

Nutrition information: Starbucks US Flat White (Short)

Serving size8 fl oz
Calories110
Total fat5g
of which saturated3g
Trans fat0g
Carbohydrate9g
Total sugars8g
Includes added sugars (Boone estimate)0g
Fibre0g
Protein6g
Sodium70mg
Caffeine130mg

Nutrition figures are Starbucks US published data for the standard recipe in this size, including the default milk and toppings. Starbucks publishes total sugar only, so added sugar is a Boone estimate. Boone converts the figures to the portion and age comparisons on this page.

Starbucks US Flat White (Short) contains 110 calories, which is 6% of the 2,000-calorie Daily Value used on US food labels. It provides 5g of total fat, of which 3g is saturated, 8g of total sugars (an estimated 0g added), 70mg of sodium, 6g of protein and 0g of fibre.

The saturated fat content of 3g represents 15% of the 20g Daily Value.

FDA Daily Values (2,000-calorie diet)

Calories2,000
Total fat78g
Saturated fat20g
Carbohydrate275g
Added sugars50g
Fibre28g
Sodium2,300mg
Protein50g

Added sugar vs total sugar

Where the sugar comes from: Starbucks US Flat White (Short)

An estimated 0g of the 8g counts as added sugar, or about 0.0 teaspoons. The other 8g is naturally occurring.

Naturally occurring sugars come from

  • lactose in the milk

Dietary Guidelines for Americans, 2025–2030: no more than 10g of added sugar per meal from age 11 and none for children aged 10 and under. FDA Daily Value: 50g a day. Starbucks publishes total sugar only. Boone estimates the naturally occurring share from the milk in the recipe (about 1.3g of lactose per gram of milk protein, capped at the sugar in a plain latte of the same size) and counts sugars, syrups and juice concentrates as added.

Ultra-processed food: what is really in it

Processing and additives: Starbucks US Flat White (Short)

Starbucks US Flat White (Short) is made from simple ingredients with no industrial additives named in its ingredient list.

Boone classifies Starbucks US Flat White (Short) as NOVA group 1, unprocessed or minimally processed, based on its ingredient list. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, October 2026.

Starbucks US Flat White (Short) contains at least 2 distinct ingredients: 2 raw and 0 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.

Ingredient count: Starbucks US Flat White (Short)

What you orderRawManufacturedTotal% manufactured
Starbucks US Flat White (Short) on its own2020%

The 2 raw ingredients

brewed espresso, milk.

What those ingredients are, by type

Meat, fish, dairy and eggs1
Coffee, tea and cocoa1

Boone counts every distinct named ingredient on Starbucks’ published component lists, including sub-ingredients, and removes duplicates, so sugar appearing in three syrups counts once. Ice and water added at the counter are not counted. Raw covers whole foods and basic kitchen staples such as milk, sugar, salt and oil. Manufactured covers substances that only exist as an output of industrial processing. Every figure here is a minimum.

Ingredients

Starbucks US Flat White (Short) is made from 2 components.

Ingredients by component: Starbucks US Flat White (Short)

Milk

Milk.

Brewed espresso

Brewed Espresso.

Ingredients taken from the Starbucks US menu at starbucks.com, retrieved October 2026, for the standard recipe. Recipes change and customisations alter them, so always check in store before ordering if you have an allergy.

Allergens at a glance

Starbucks US Flat White (Short) contains milk.

Allergen information: Starbucks US Flat White (Short)

AllergenStatus
MilkContains
EggsNot declared
FishNot declared
Crustacean shellfishNot declared
Tree nutsNot declared
PeanutsNot declared
WheatNot declared
SoybeansNot declared
SesameNot declared

Contains 130mg of caffeine. Contains = named in the Starbucks US ingredient list for the standard recipe; Starbucks does not publish a separate allergen statement for most drinks. Starbucks prepares drinks with shared equipment, so no drink can be guaranteed allergen free, and changing the milk or adding toppings changes the allergens. UK rules also require barley, oats, mustard, celery and sulphites to be declared; these are shown where the ingredient list names them. Retrieved October 2026.

Frequently asked questions

How many calories are in a Starbucks US Flat White (Short)?+

Boone calculates that Starbucks US Flat White (Short) contains 110 calories, which is 6% of the 2,000-calorie Daily Value and 7% of the daily needs of a moderately active child aged 4 to 8.

How much added sugar is in a Starbucks US Flat White (Short)?+

Boone estimates that Starbucks US Flat White (Short) contains 0g of added sugar, about 0.0 teaspoons, which is 0% of the 50g FDA Daily Value. Starbucks publishes 8g of total sugar.

How much caffeine is in a Starbucks US Flat White (Short)?+

Starbucks lists 130mg of caffeine for Starbucks US Flat White (Short). That is 32% of the 400mg a day the FDA cites as an amount not generally linked with negative effects in healthy adults. Pregnancy guidance is 200mg a day, and the American Academy of Pediatrics advises against caffeine for children.

How does Flat White compare across sizes?+

Starbucks US Flat White by size: Short: 110 calories, an estimated 0g of added sugar, 130mg of caffeine; Tall: 170 calories, an estimated 0g of added sugar, 130mg of caffeine; Grande: 220 calories, an estimated 0g of added sugar, 195mg of caffeine; Venti: 290 calories, an estimated 0g of added sugar, 195mg of caffeine. Figures are for the standard recipe.

Is Starbucks US Flat White (Short) within US sugar guidance for children?+

The Dietary Guidelines for Americans, 2025–2030 recommend no added sugar for children aged 10 and under and no more than 10g per meal from age 11. Starbucks US Flat White (Short) has no estimated added sugar, so it is within both.

How much saturated fat is in a Starbucks US Flat White (Short)?+

Starbucks US Flat White (Short) contains 3g of saturated fat. Boone calculates this as 15% of the 20g Daily Value and 18% of the 17g limit for a child aged 4 to 8.

Is Starbucks US Flat White (Short) ultra-processed?+

No. Boone classifies Starbucks US Flat White (Short) as NOVA group 1, because its ingredient list names no industrial additives.

Is Starbucks US Flat White (Short) suitable for children?+

Boone’s analysis flags that it contains 130mg of caffeine, which the American Academy of Pediatrics advises against for children. That does not make it off limits, but it does mean a Flat White (Short) uses up a large share of a young child’s day in one drink.

How much protein is in a Starbucks US Flat White (Short)?+

Starbucks US Flat White (Short) contains 6g of protein, which Boone calculates as 12% of the 50g Daily Value.

How much sodium is in a Starbucks US Flat White (Short)?+

Starbucks US Flat White (Short) contains 70mg of sodium. Boone calculates that as 5% of the daily limit for a child aged 4 to 8 and 3% of the 2,300mg adult limit.