Cornflakes calories
Cornflakes (prepared) has about 384 calories per 100 g and 5.9 g of protein. An estimated handful (20 g) is about 77 kcal.
About 13% more calories per 100 g than the average of the 6 breakfast cereals in this list (340 kcal).
| Calories per 100 g | 384 kcal |
|---|---|
| Protein per 100 g | 5.9 g |
| Category | Breakfast Cereals |
| Form | prepared |
| USDA description | Cereals ready-to-eat, RALSTON Corn Flakes |
Calories by portion
| Portion | Weight | Calories | Weight basis |
|---|---|---|---|
| 1 handful | 20 g | 77 kcal | App estimate |
| 1 cup | 28 g | 108 kcal | App estimate |
| 1 serving | 30 g | 115 kcal | App estimate |
| 1 bowl | 40 g | 154 kcal | App estimate |
Household weights come from the app’s portion table, not necessarily USDA. Rows marked App estimate are estimates; your portion may differ. A serving is not a recommended amount to eat.
Calculate the amount you actually ate
For a measured 150 g of this same food and form: 384 × 150 ÷ 100 = about 576 kcal. Use the per-100-g value with your actual weight; a piece or bowl in the table is only a starting estimate.
Check the USDA description above before choosing a match. Raw, cooked and dry entries are not interchangeable, and a branded or mixed dish may have different ingredients. Missing nutrients are not zero. Read our sources and calculation method.
Similar foods
Source: USDA FoodData Central, SR Legacy (FDC ID 174648), public domain. Values are averages and can differ for a specific brand, recipe or cut. Estimates only; not medical advice.