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

Skim Milk vs Donut: 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?

Skim Milk is generally healthier

Skim Milk comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has fewer calories (34 vs 452), more protein (3.4g vs 3g), less sugar (5g vs 21g), less sodium (42mg vs 386mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Skim Milk

34 kcal

More Protein

Skim Milk

3.4g

More Fiber

Donut

1.4g

Less Sugar

Skim Milk

5g

Visual Comparison

Caloriesper 100g
Skim Milk
34
Donut
452
Proteinper 100g
Skim Milk
3.4g
Donut
3g
Carbohydratesper 100g
Skim Milk
5g
Donut
51g
Fatper 100g
Skim Milk
0.1g
Donut
25g

Side-by-Side Nutrition Table

NutrientSkim MilkDonutDifference
Calories34kcal452kcal-418.0kcal
Protein3.4g3g+0.4g
Carbohydrates5g51g-46.0g
Fat0.1g25g-24.9g
Fiber0g1.4g-1.4g
Sugar5g21g-16.0g
Sodium42mg386mg-344.0mg

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

Donut

Per 100g:452 calories
Per cup (150g):678 calories
Per serving (85g):384 calories

Diet Compatibility

Skim Milk

Low-CarbLow-CalorieVegetarianLow-Sodium

Donut

VeganVegetarian

When to Choose Skim Milk

  • Lower in calories (34 vs 452)
  • Higher in protein (3.4g vs 3g)
  • Lower in carbs (5g vs 51g)
  • Less sugar (5g vs 21g)
  • Lower sodium (42mg vs 386mg)

Common Uses

BreakfastSnacksCooking ingredientPost-workout
View full Skim Milk nutrition →

When to Choose Donut

  • More fiber (1.4g vs 0g)

Common Uses

TreatsCelebrationsComfort foodSocial occasions
View full Donut nutrition →

Skim Milk vs Donut: Nutritional Analysis

Donut is more calorie-dense at 452 calories per 100g compared to 34 for Skim Milk, a difference of 418 calories. On the protein front, Skim Milk delivers more with 3.4g per 100g versus 3g, 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 Donut tell different nutritional stories. Skim Milk provides 5g of carbohydrates, 0.1g of fat, and 0g of fiber per 100g, while Donut contains 51g carbs, 25g fat, and 1.4g fiber. The higher fiber content in Donut supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Skim Milk contains 5g while Donut has 21g 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: Skim Milk provides more protein (3.4g/100g), supporting muscle repair and growth.
  • For sustained energy: Donut offers more fiber (1.4g/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 Donut?

Donut has more calories with 452 kcal per 100g, compared to Skim Milk with 34 kcal. That's a difference of 418 calories per 100g serving.

Is Skim Milk healthier than Donut?

Based on our nutritional analysis, Skim Milk is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Skim Milk has 34 calories, 3.4g protein, and 0g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Skim Milk and Donut?

Skim Milk has more protein with 3.4g per 100g, compared to Donut with 3g. Skim Milk provides 0.4g more protein per 100g serving.

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

For weight loss, Skim Milk is the better choice with only 34 calories per 100g compared to 452 calories in Donut. Donut also offers 1.4g of fiber per 100g, which helps you feel fuller longer.

Does Skim Milk or Donut have fewer carbs?

Skim Milk has fewer carbs with 5g per 100g, compared to Donut with 51g. If you're following a low-carb diet, Skim Milk is the better option with 46.0g 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.