Flat White — Sugar

Sugar in Flat White comes from syrups, sauces, and milk. Grande estimate: 17g total sugar.

Sugar in Flat White comes from syrups, sauces, and milk. Grande estimate: 17g total sugar.

Sugar by size (estimates)

SizeSugar
Short9gSize page
Tall13gSize page
Grande17gSize page
Venti22gSize page

← Flat White hub

Last updated: July 13, 2026. All nutrition values are estimates and this site is not affiliated with Starbucks Corporation.