Oatmeal vs Breakfast Cereal: Nutrition Comparison
Which is healthier? Compare calories, protein, carbs, and more
Complete side-by-side nutrition comparison per 100g serving | Updated 2026
Which is Healthier?
Oatmeal is generally healthier
Oatmeal comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has more protein (17g vs 7g), more fiber (11g vs 6g), less sugar (0g vs 24g), less sodium (2mg vs 760mg)making it the better choice for most health goals.
Quick Summary
Fewer Calories
Breakfast Cereal
379 kcal
More Protein
Oatmeal
17g
More Fiber
Oatmeal
11g
Less Sugar
Oatmeal
0g
Visual Comparison
Side-by-Side Nutrition Table
| Nutrient | Oatmeal | Breakfast Cereal | Difference |
|---|---|---|---|
| Calories | 389kcal | 379kcal✓ | +10.0kcal |
| Protein | 17g✓ | 7g | +10.0g |
| Carbohydrates | 66g✓ | 84g | -18.0g |
| Fat | 7g | 1.9g✓ | +5.1g |
| Fiber | 11g✓ | 6g | +5.0g |
| Sugar | 0g✓ | 24g | -24.0g |
| Sodium | 2mg✓ | 760mg | -758.0mg |
Serving Size Comparison
All values above are per 100g. Here's how they compare in common serving sizes:
Oatmeal
Breakfast Cereal
Diet Compatibility
Oatmeal
Breakfast Cereal
When to Choose Oatmeal
- ✓Higher in protein (17g vs 7g)
- ✓More fiber (11g vs 6g)
- ✓Lower in carbs (66g vs 84g)
- ✓Less sugar (0g vs 24g)
- ✓Lower sodium (2mg vs 760mg)
Common Uses
When to Choose Breakfast Cereal
- ✓Lower in calories (379 vs 389)
Common Uses
Oatmeal vs Breakfast Cereal: Nutritional Analysis
Oatmeal is more calorie-dense at 389 calories per 100g compared to 379 for Breakfast Cereal, a difference of 10 calories. On the protein front, Oatmeal delivers more with 17g per 100g versus 7g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.
Macronutrient Breakdown
The macronutrient profiles of Oatmeal and Breakfast Cereal tell different nutritional stories. Oatmeal provides 66g of carbohydrates, 7g of fat, and 11g of fiber per 100g, while Breakfast Cereal contains 84g carbs, 1.9g fat, and 6g fiber. The higher fiber content in Oatmeal supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Oatmeal contains 0g while Breakfast Cereal has 24g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.
Key Takeaways
- For weight management: Breakfast Cereal is the lower-calorie choice at 379 cal/100g, making it more suitable for calorie-controlled diets.
- For muscle building: Oatmeal provides more protein (17g/100g), supporting muscle repair and growth.
- For sustained energy: Oatmeal offers more fiber (11g/100g), which slows digestion and provides steadier energy release.
- Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.
Frequently Asked Questions
Which has more calories, Oatmeal or Breakfast Cereal?
Oatmeal has more calories with 389 kcal per 100g, compared to Breakfast Cereal with 379 kcal. That's a difference of 10 calories per 100g serving.
Is Oatmeal healthier than Breakfast Cereal?
Based on our nutritional analysis, Oatmeal is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Oatmeal has 389 calories, 17g protein, and 11g fiber per 100g. However, the best choice depends on your specific dietary goals.
What is the protein difference between Oatmeal and Breakfast Cereal?
Oatmeal has more protein with 17g per 100g, compared to Breakfast Cereal with 7g. Oatmeal provides 10.0g more protein per 100g serving.
Which is better for weight loss, Oatmeal or Breakfast Cereal?
For weight loss, Breakfast Cereal is the better choice with only 379 calories per 100g compared to 389 calories in Oatmeal. Oatmeal also offers 11g of fiber per 100g, which helps you feel fuller longer.
Does Oatmeal or Breakfast Cereal have fewer carbs?
Oatmeal has fewer carbs with 66g per 100g, compared to Breakfast Cereal with 84g. If you're following a low-carb diet, Oatmeal is the better option with 18.0g fewer carbohydrates.
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About Our Data
All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.
Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.