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

Popcorn vs White Bread: 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 3 out of 5 key nutritional categories. It has more fiber (15g vs 2.7g), less sugar (1.1g vs 5g), less sodium (2mg vs 491mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

White Bread

265 kcal

More Protein

White Bread

9g

More Fiber

Popcorn

15g

Less Sugar

Popcorn

1.1g

Visual Comparison

Caloriesper 100g
Popcorn
387
White Bread
265
Proteinper 100g
Popcorn
3.5g
White Bread
9g
Carbohydratesper 100g
Popcorn
77g
White Bread
49g
Fatper 100g
Popcorn
4.5g
White Bread
3.2g

Side-by-Side Nutrition Table

NutrientPopcornWhite BreadDifference
Calories387kcal265kcal+122.0kcal
Protein3.5g9g-5.5g
Carbohydrates77g49g+28.0g
Fat4.5g3.2g+1.3g
Fiber15g2.7g+12.3g
Sugar1.1g5g-3.9g
Sodium2mg491mg-489.0mg

Serving Size Comparison

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

Popcorn

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

White Bread

Per 100g:265 calories
Per cup (150g):398 calories
Per serving (85g):225 calories

Diet Compatibility

Popcorn

VeganVegetarianLow-Sodium

White Bread

VeganVegetarian

When to Choose Popcorn

  • More fiber (15g vs 2.7g)
  • Less sugar (1.1g vs 5g)
  • Lower sodium (2mg vs 491mg)

Common Uses

Between mealsMovie nightsPartiesTravel food
View full Popcorn nutrition →

When to Choose White Bread

  • Lower in calories (265 vs 387)
  • Higher in protein (9g vs 3.5g)
  • Lower in carbs (49g vs 77g)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full White Bread nutrition →

Popcorn vs White Bread: Nutritional Analysis

Popcorn is more calorie-dense at 387 calories per 100g compared to 265 for White Bread, a difference of 122 calories. On the protein front, White Bread delivers more with 9g 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 Popcorn and White Bread tell different nutritional stories. Popcorn provides 77g of carbohydrates, 4.5g of fat, and 15g of fiber per 100g, while White Bread contains 49g carbs, 3.2g fat, and 2.7g 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: Popcorn contains 1.1g while White Bread has 5g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: White Bread is the lower-calorie choice at 265 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: White Bread provides more protein (9g/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, Popcorn or White Bread?

Popcorn has more calories with 387 kcal per 100g, compared to White Bread with 265 kcal. That's a difference of 122 calories per 100g serving.

Is Popcorn healthier than White Bread?

Based on our nutritional analysis, Popcorn is generally the healthier choice, winning in 3 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 Popcorn and White Bread?

White Bread has more protein with 9g per 100g, compared to Popcorn with 3.5g. White Bread provides 5.5g more protein per 100g serving.

Which is better for weight loss, Popcorn or White Bread?

For weight loss, White Bread is the better choice with only 265 calories per 100g compared to 387 calories in Popcorn. Popcorn also offers 15g of fiber per 100g, which helps you feel fuller longer.

Does Popcorn or White Bread have fewer carbs?

White Bread has fewer carbs with 49g per 100g, compared to Popcorn with 77g. If you're following a low-carb diet, White Bread is the better option with 28.0g 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.