NutriBase

Butter, Light vs Salad Dressing, Mayonnaise: Nutrition Comparison

Compare calories, protein, fat, carbs, vitamins and minerals per 100 g. Values shaded green are generally the more favorable ones.

Oils & Fats Butter, Light 499 kcal · 100 g VS Oils & Fats Salad Dressing, Mayonnaise 232 kcal · 100 g

Key differences

  • Butter, Light has more calories; Salad Dressing, Mayonnaise is lower in calories.
  • Butter, Light has more protein per 100 g.
  • Butter, Light is notably higher in potassium.

Nutrient comparison (per 100 g)

Nutrient Butter, Light Salad Dressing, Mayonnaise
Calories 499 kcal 232 kcal
Protein 3.3 g 0.3 g
Total Fat 55.1 g 19.2 g
Saturated Fat 34.3 g 3.3 g
Carbohydrate 0 g 16 g
Dietary Fiber 0 g 0 g
Total Sugars 0 g 6 g
Sodium 450 mg 497 mg
Potassium 71 mg 10 mg
Calcium 48 mg 0 mg
Iron 1.1 mg 0 mg
Magnesium 5 mg 0 mg
Vitamin C 0 mg 0 mg
Vitamin A 465 mcg 0 mcg
Vitamin D 0 mcg 0 mcg
Cholesterol 106 mg 24 mg

Green highlighting marks the more favorable value where it applies (for example, more protein or less saturated fat). Neutral nutrients are not highlighted.

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Butter, Light

  • Protein 2.6%
  • Fat 97.4%
  • Carbs 0%

Salad Dressing, Mayonnaise

  • Protein 0.5%
  • Fat 72.6%
  • Carbs 26.9%

Frequently asked questions

Which has more calories, Butter, Light or Salad Dressing, Mayonnaise?
Per 100 g: Butter, Light has 499 kcal, Salad Dressing, Mayonnaise has 232 kcal.
Which has more protein, Butter, Light or Salad Dressing, Mayonnaise?
Per 100 g: Butter, Light has 3.3 g of protein, Salad Dressing, Mayonnaise has 0.3 g.

Compare with other foods

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Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.