Cornflakes
357 kcal per 100g
Cornflakes has 357 kcal per 100 g, and 1 cup (28 g) comes to about 100 kcal, with 2.1 g protein, 24 g carbs and 0.1 g fat.
Kairo logs Cornflakes from a photo: the app estimates the portion on the plate and fills in calories and macros from reference data, no typing needed.
Your portion
Type the grams or the calorie budget you have left.
- 7.5 g
- Protein
- 84 g
- Carbs
- 0.4 g
- Fat
100 g ≈ 18 % of a 2,000 kcal reference intake. Work out your own daily need
Nutrition Facts
Serving size: 100g
Compare with: Bagel (Plain) · Barley (Cooked, Pearled) · Brown Rice (cooked)
Health Info
Cornflakes are a low-fat but highly refined breakfast cereal with a high glycemic index, so they spike blood sugar quickly. Most brands are fortified with B vitamins and iron, but they are low in fiber and protein on their own.
Macros per 100g
Values per 100 g are based on recognised nutrition reference data. Last reviewed: June 2026. View sources
Track Cornflakes in Kairo
Just photograph it. Kairo's AI reads the portion and the nutrition. Three seconds later the calories and macros are in your log, no typing.
Get Kairo on the App StoreFrequently Asked Questions
- How many calories are in Cornflakes?
- Cornflakes has 357 kcal per 100 g. A typical 28 g serving contains about 100 kcal.
- How much protein is in Cornflakes?
- Cornflakes provides 7.5 g of protein per 100 g.
- How many carbs are in Cornflakes?
- Cornflakes contains 84 g of carbohydrates per 100 g, of which 8 g is sugar.
- How much fat is in Cornflakes?
- Cornflakes contains 0.4 g of fat per 100 g. It also provides 3 g of fiber per 100 g.
- Is Cornflakes good for weight loss?
- Cornflakes is calorie-dense at 357 kcal per 100 g, so keep portion sizes in check when losing weight.
- Can I log Cornflakes in Kairo from a photo?
- Yes, photograph the plate and Kairo estimates the portion of Cornflakes, then logs calories and macros from reference data. If the portion looks off, you can adjust the grams and the numbers update.