Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Oatmeal vs Popcorn: 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?

Both foods have similar nutritional profiles

Both foods have similar nutritional profiles with each winning in different categories. Your choice should depend on your specific dietary goals and preferences. Oatmeal has 389 calories while Popcorn has 387 calories per 100g.

Quick Summary

Fewer Calories

Popcorn

387 kcal

More Protein

Oatmeal

17g

More Fiber

Popcorn

15g

Less Sugar

Oatmeal

0g

Visual Comparison

Caloriesper 100g
Oatmeal
389
Popcorn
387
Proteinper 100g
Oatmeal
17g
Popcorn
3.5g
Carbohydratesper 100g
Oatmeal
66g
Popcorn
77g
Fatper 100g
Oatmeal
7g
Popcorn
4.5g

Side-by-Side Nutrition Table

NutrientOatmealPopcornDifference
Calories389kcal387kcal+2.0kcal
Protein17g3.5g+13.5g
Carbohydrates66g77g-11.0g
Fat7g4.5g+2.5g
Fiber11g15g-4.0g
Sugar0g1.1g-1.1g
Sodium2mg2mg0.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Oatmeal

Per 100g:389 calories
Per cup (150g):584 calories
Per serving (85g):331 calories

Popcorn

Per 100g:387 calories
Per cup (150g):581 calories
Per serving (85g):329 calories

Diet Compatibility

Oatmeal

High-ProteinVeganVegetarianLow-Sodium

Popcorn

VeganVegetarianLow-Sodium

When to Choose Oatmeal

  • Higher in protein (17g vs 3.5g)
  • Lower in carbs (66g vs 77g)
  • Less sugar (0g vs 1.1g)
  • Lower sodium (2mg vs 2mg)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Oatmeal nutrition →

When to Choose Popcorn

  • Lower in calories (387 vs 389)
  • More fiber (15g vs 11g)

Common Uses

Between mealsMovie nightsPartiesTravel food
View full Popcorn nutrition →

Oatmeal vs Popcorn: Nutritional Analysis

Oatmeal is more calorie-dense at 389 calories per 100g compared to 387 for Popcorn, a difference of 2 calories. On the protein front, Oatmeal delivers more with 17g per 100g versus 3.5g, 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 Popcorn tell different nutritional stories. Oatmeal provides 66g of carbohydrates, 7g of fat, and 11g of fiber per 100g, while Popcorn contains 77g carbs, 4.5g fat, and 15g fiber. The higher fiber content in Popcorn supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Oatmeal contains 0g while Popcorn has 1.1g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Popcorn is the lower-calorie choice at 387 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: Popcorn offers more fiber (15g/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 Popcorn?

Oatmeal has more calories with 389 kcal per 100g, compared to Popcorn with 387 kcal. That's a difference of 2 calories per 100g serving.

Is Oatmeal healthier than Popcorn?

Oatmeal and Popcorn have similar nutritional profiles, with each food winning in different categories. The healthier choice depends on your specific dietary goals and nutritional needs.

What is the protein difference between Oatmeal and Popcorn?

Oatmeal has more protein with 17g per 100g, compared to Popcorn with 3.5g. Oatmeal provides 13.5g more protein per 100g serving.

Which is better for weight loss, Oatmeal or Popcorn?

For weight loss, Popcorn is the better choice with only 387 calories per 100g compared to 389 calories in Oatmeal. Popcorn also offers 15g of fiber per 100g, which helps you feel fuller longer.

Does Oatmeal or Popcorn have fewer carbs?

Oatmeal has fewer carbs with 66g per 100g, compared to Popcorn with 77g. If you're following a low-carb diet, Oatmeal is the better option with 11.0g fewer carbohydrates.

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.