Calories in
cereals ready-to-eat, post, alpha-bits
389 kcal per 100 g Cereals ready-to-eat, POST, ALPHA-BITS contains 389 calories per 100 grams, or about 117 calories per cup (1 NLEA serving for adults). Per 100 g it provides 10.0 g protein, 80.3 g carbohydrate and 4.6 g fat.
By calories that splits 80% carbohydrate, 10% protein, 10% fat.
Calories in a typical serving
Per-100 g figures are useful for comparison but nobody eats 100 g of anything on purpose. These are the USDA's own household measures.
| Serving | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup (1 NLEA serving for adults) | 30.0 g | 117 | 3.0 g | 24.1 g | 1.4 g |
| 0.67 cup (1 serving for children under 4 years) | 20.0 g | 78 | 2.0 g | 16.1 g | 0.9 g |
Full nutrition, per 100 g and per cup (1 NLEA serving for adults)
| Nutrient | Per 100 g | Per cup (1 NLEA serving for adults) |
|---|---|---|
| Energy | 389 kcal | 117 kcal |
| Protein | 10.0 g | 3.0 g |
| Total fat | 4.6 g | 1.4 g |
| Saturated fat | 1.1 g | 0.3 g |
| Carbohydrate | 80.3 g | 24.1 g |
| Fibre | 7.1 g | 2.1 g |
| Sugars | 21.0 g | 6.3 g |
| Sodium | 592.0 mg | 177.6 mg |
| Potassium | 267.0 mg | 80.1 mg |
| Calcium | 35.0 mg | 10.5 mg |
| Iron | 30.0 mg | 9.0 mg |
| Vitamin C | 20.0 mg | 6.0 mg |
| Vitamin A | 741.0 µg | 222.3 µg |
| Cholesterol | 0.0 mg | 0.0 mg |
| Water | 1.2 g | 0.4 g |
USDA FoodData Central, SR Legacy (FDC ID 171641). A dash means the nutrient was not measured for this item, which is not the same as zero.
How cereals ready-to-eat, post, alpha-bits compares
Among the 48 breakfast cereals items on this site, cereals ready-to-eat, post, alpha-bits ranks 20 of 48 by calorie density, against a category average of 376 kcal per 100 g — so it is about 3% more calorie-dense than typical for its group.
It carries 2.6 g of protein per 100 calories, so it is not a meaningful protein source.
To burn off one cup (1 NLEA serving for adults) (117 kcal), a 70 kg adult would walk for roughly 24 minutes — see the walking calculation on our sister site, or pick a different activity. Treat that as a sense of scale rather than a rule: eating and moving are not a simple ledger.
Questions
How many calories are in cereals ready-to-eat, post, alpha-bits?
Cereals ready-to-eat, POST, ALPHA-BITS contains 389 calories per 100 g, which works out to about 117 calories per cup (1 NLEA serving for adults). It also provides 10.0 g of protein, 80.3 g of carbohydrate and 4.6 g of fat per 100 g.
What is the macro breakdown of cereals ready-to-eat, post, alpha-bits?
By calories, cereals ready-to-eat, post, alpha-bits is roughly 80% carbohydrate, 10% protein and 10% fat. That makes it a predominantly carbohydrate-based food.
How long does it take to burn off a cup (1 NLEA serving for adults)?
About 24 minutes of ordinary walking for a 70 kg adult (MET 4.0). That is a rough guide for scale, not a prescription — appetite and activity interact in ways a simple subtraction does not capture.
Is this figure exact for the cereals ready-to-eat, post, alpha-bits I bought?
No. These are USDA reference values, averaged across samples. Real foods vary with variety, ripeness, growing conditions, cut, brand and how they were cooked — 10–20% either way is normal. Use them for planning, not precision.
Similar foods
Closest in calorie density within breakfast cereals.
Source: USDA FoodData Central, SR Legacy — public domain. Full USDA description: "Cereals ready-to-eat, POST, ALPHA-BITS". General information only — not medical or nutrition advice. Values are averages for a food type and vary by brand, ripeness and preparation.