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

Peanut Butter 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?

Popcorn is generally healthier

Popcorn comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has fewer calories (387 vs 588), more fiber (15g vs 6g), less sugar (1.1g vs 9.4g), less sodium (2mg vs 459mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Popcorn

387 kcal

More Protein

Peanut Butter

25g

More Fiber

Popcorn

15g

Less Sugar

Popcorn

1.1g

Visual Comparison

Caloriesper 100g
Peanut Butter
588
Popcorn
387
Proteinper 100g
Peanut Butter
25g
Popcorn
3.5g
Carbohydratesper 100g
Peanut Butter
20g
Popcorn
77g
Fatper 100g
Peanut Butter
50g
Popcorn
4.5g

Side-by-Side Nutrition Table

NutrientPeanut ButterPopcornDifference
Calories588kcal387kcal+201.0kcal
Protein25g3.5g+21.5g
Carbohydrates20g77g-57.0g
Fat50g4.5g+45.5g
Fiber6g15g-9.0g
Sugar9.4g1.1g+8.3g
Sodium459mg2mg+457.0mg

Serving Size Comparison

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

Peanut Butter

Per 100g:588 calories
Per cup (150g):882 calories
Per serving (85g):500 calories

Popcorn

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

Diet Compatibility

Peanut Butter

High-ProteinVeganVegetarianPaleo

Popcorn

VeganVegetarianLow-Sodium

When to Choose Peanut Butter

  • Higher in protein (25g vs 3.5g)
  • Lower in carbs (20g vs 77g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

When to Choose Popcorn

  • Lower in calories (387 vs 588)
  • More fiber (15g vs 6g)
  • Less sugar (1.1g vs 9.4g)
  • Lower sodium (2mg vs 459mg)

Common Uses

Between mealsMovie nightsPartiesTravel food
View full Popcorn nutrition →

Peanut Butter vs Popcorn: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 387 for Popcorn, a difference of 201 calories. On the protein front, Peanut Butter delivers more with 25g 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 Peanut Butter and Popcorn tell different nutritional stories. Peanut Butter provides 20g of carbohydrates, 50g of fat, and 6g 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: Peanut Butter contains 9.4g 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: Peanut Butter provides more protein (25g/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, Peanut Butter or Popcorn?

Peanut Butter has more calories with 588 kcal per 100g, compared to Popcorn with 387 kcal. That's a difference of 201 calories per 100g serving.

Is Peanut Butter healthier than Popcorn?

Based on our nutritional analysis, Popcorn is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Popcorn has 387 calories, 3.5g protein, and 15g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Peanut Butter and Popcorn?

Peanut Butter has more protein with 25g per 100g, compared to Popcorn with 3.5g. Peanut Butter provides 21.5g more protein per 100g serving.

Which is better for weight loss, Peanut Butter or Popcorn?

For weight loss, Popcorn is the better choice with only 387 calories per 100g compared to 588 calories in Peanut Butter. Popcorn also offers 15g of fiber per 100g, which helps you feel fuller longer.

Does Peanut Butter or Popcorn have fewer carbs?

Peanut Butter has fewer carbs with 20g per 100g, compared to Popcorn with 77g. If you're following a low-carb diet, Peanut Butter is the better option with 57.0g 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.