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

Skim Milk vs Oatmeal: 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 3.4g), more fiber (11g vs 0g), less sugar (0g vs 5g), less sodium (2mg vs 42mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Skim Milk

34 kcal

More Protein

Oatmeal

17g

More Fiber

Oatmeal

11g

Less Sugar

Oatmeal

0g

Visual Comparison

Caloriesper 100g
Skim Milk
34
Oatmeal
389
Proteinper 100g
Skim Milk
3.4g
Oatmeal
17g
Carbohydratesper 100g
Skim Milk
5g
Oatmeal
66g
Fatper 100g
Skim Milk
0.1g
Oatmeal
7g

Side-by-Side Nutrition Table

NutrientSkim MilkOatmealDifference
Calories34kcal389kcal-355.0kcal
Protein3.4g17g-13.6g
Carbohydrates5g66g-61.0g
Fat0.1g7g-6.9g
Fiber0g11g-11.0g
Sugar5g0g+5.0g
Sodium42mg2mg+40.0mg

Serving Size Comparison

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

Skim Milk

Per 100g:34 calories
Per cup (150g):51 calories
Per serving (85g):29 calories

Oatmeal

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

Diet Compatibility

Skim Milk

Low-CarbLow-CalorieVegetarianLow-Sodium

Oatmeal

High-ProteinVeganVegetarianLow-Sodium

When to Choose Skim Milk

  • Lower in calories (34 vs 389)
  • Lower in carbs (5g vs 66g)

Common Uses

BreakfastSnacksCooking ingredientPost-workout
View full Skim Milk nutrition →

When to Choose Oatmeal

  • Higher in protein (17g vs 3.4g)
  • More fiber (11g vs 0g)
  • Less sugar (0g vs 5g)
  • Lower sodium (2mg vs 42mg)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Oatmeal nutrition →

Skim Milk vs Oatmeal: Nutritional Analysis

Oatmeal is more calorie-dense at 389 calories per 100g compared to 34 for Skim Milk, a difference of 355 calories. On the protein front, Oatmeal delivers more with 17g per 100g versus 3.4g, 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 Skim Milk and Oatmeal tell different nutritional stories. Skim Milk provides 5g of carbohydrates, 0.1g of fat, and 0g of fiber per 100g, while Oatmeal contains 66g carbs, 7g fat, and 11g 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: Skim Milk contains 5g while Oatmeal has 0g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Skim Milk is the lower-calorie choice at 34 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, Skim Milk or Oatmeal?

Oatmeal has more calories with 389 kcal per 100g, compared to Skim Milk with 34 kcal. That's a difference of 355 calories per 100g serving.

Is Skim Milk healthier than Oatmeal?

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 Skim Milk and Oatmeal?

Oatmeal has more protein with 17g per 100g, compared to Skim Milk with 3.4g. Oatmeal provides 13.6g more protein per 100g serving.

Which is better for weight loss, Skim Milk or Oatmeal?

For weight loss, Skim Milk is the better choice with only 34 calories per 100g compared to 389 calories in Oatmeal. Oatmeal also offers 11g of fiber per 100g, which helps you feel fuller longer.

Does Skim Milk or Oatmeal have fewer carbs?

Skim Milk has fewer carbs with 5g per 100g, compared to Oatmeal with 66g. If you're following a low-carb diet, Skim Milk is the better option with 61.0g 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.