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

Peanut Butter vs Brown Rice: 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?

Brown Rice is generally healthier

Brown Rice comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (111 vs 588), less sugar (0g vs 9.4g), less sodium (5mg vs 459mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Brown Rice

111 kcal

More Protein

Peanut Butter

25g

More Fiber

Peanut Butter

6g

Less Sugar

Brown Rice

0g

Visual Comparison

Caloriesper 100g
Peanut Butter
588
Brown Rice
111
Proteinper 100g
Peanut Butter
25g
Brown Rice
2.6g
Carbohydratesper 100g
Peanut Butter
20g
Brown Rice
23g
Fatper 100g
Peanut Butter
50g
Brown Rice
0.9g

Side-by-Side Nutrition Table

NutrientPeanut ButterBrown RiceDifference
Calories588kcal111kcal+477.0kcal
Protein25g2.6g+22.4g
Carbohydrates20g23g-3.0g
Fat50g0.9g+49.1g
Fiber6g1.8g+4.2g
Sugar9.4g0g+9.4g
Sodium459mg5mg+454.0mg

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

Brown Rice

Per 100g:111 calories
Per cup (150g):167 calories
Per serving (85g):94 calories

Diet Compatibility

Peanut Butter

High-ProteinVeganVegetarianPaleo

Brown Rice

VeganVegetarianLow-Sodium

When to Choose Peanut Butter

  • Higher in protein (25g vs 2.6g)
  • More fiber (6g vs 1.8g)
  • Lower in carbs (20g vs 23g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

When to Choose Brown Rice

  • Lower in calories (111 vs 588)
  • Less sugar (0g vs 9.4g)
  • Lower sodium (5mg vs 459mg)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Brown Rice nutrition →

Peanut Butter vs Brown Rice: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 111 for Brown Rice, a difference of 477 calories. On the protein front, Peanut Butter delivers more with 25g per 100g versus 2.6g, 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 Brown Rice tell different nutritional stories. Peanut Butter provides 20g of carbohydrates, 50g of fat, and 6g of fiber per 100g, while Brown Rice contains 23g carbs, 0.9g fat, and 1.8g fiber. The higher fiber content in Peanut Butter 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 Brown Rice has 0g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Brown Rice is the lower-calorie choice at 111 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: Peanut Butter offers more fiber (6g/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 Brown Rice?

Peanut Butter has more calories with 588 kcal per 100g, compared to Brown Rice with 111 kcal. That's a difference of 477 calories per 100g serving.

Is Peanut Butter healthier than Brown Rice?

Based on our nutritional analysis, Brown Rice is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Brown Rice has 111 calories, 2.6g protein, and 1.8g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Peanut Butter and Brown Rice?

Peanut Butter has more protein with 25g per 100g, compared to Brown Rice with 2.6g. Peanut Butter provides 22.4g more protein per 100g serving.

Which is better for weight loss, Peanut Butter or Brown Rice?

For weight loss, Brown Rice is the better choice with only 111 calories per 100g compared to 588 calories in Peanut Butter. Peanut Butter also offers 6g of fiber per 100g, which helps you feel fuller longer.

Does Peanut Butter or Brown Rice have fewer carbs?

Peanut Butter has fewer carbs with 20g per 100g, compared to Brown Rice with 23g. If you're following a low-carb diet, Peanut Butter is the better option with 3.0g 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.