Flat White with Oat Milk
~230 estimated calories (grande)
Swapping Whole for Oat milk in a grande Flat White changes the estimate from 220 to 230 calories (+10 kcal).
Oat milk nutrition (estimate)
| Nutrient | Amount (estimate) |
|---|---|
| Calories | 230 kcal |
| Protein | 9g |
| Carbohydrates | 26g |
| Fat | 9g |
| Sugar | 21g |
| Added sugar | 0g |
| Fiber | 0g |
| Sodium | 220mg |
| Cholesterol | 5mg |
| Caffeine | 195mg |
Why choose Oat milk?
Oat milk is creamy and popular but adds more carbs and calories than almond.
Last updated: July 13, 2026. All nutrition values are estimates and this site is not affiliated with Starbucks Corporation.