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Butter vs Egg: Calories Compared
Egg is lower in calories (143 vs 717 per 100g). Butter has 0.8g protein per 100g versus 12.6g in Egg.
Per typical serving, Butter provides 100 kcal (based on a 14g portion) versus Egg at 63 kcal (44g). The average adult needs around 2,000 calories per day, so butter contributes 5.0% and egg contributes 3.1% of that daily target per serving. Getting these numbers right for your own portions starts with a digital kitchen scale.
Full nutrition comparison (per 100g)
| Nutrient | Butter | Egg |
|---|---|---|
| Calories | 717 kcal | 143 kcal |
| Protein | 0.8g | 12.6g |
| Carbohydrates | 0.1g | 0.7g |
| of which Sugars | 0.1g | 0.4g |
| Fat | 81.1g | 9.5g |
| of which Saturates | 51.4g | 3.1g |
| Fibre | 0g | 0g |
| Sodium | 643mg | 142mg |
| Potassium | 24mg | 138mg |
| Calcium | 24mg | 56mg |
| Iron | 0mg | 1.8mg |
| Vitamin C | 0mg | 0mg |
| Vitamin A | 684µg | 160µg |
| Selenium | 1µg | 31µg |
| Riboflavin (B2) | 0mg | 0.5mg |
Nutrient-by-nutrient breakdown
- Calories: Butter has more (717kcal vs 143kcal per 100g) — a difference of 574kcal. Egg is the lower-calories option if that is your priority.
- Protein: Egg has more (12.6g vs 0.8g per 100g) — a difference of 11.8g. Egg is the stronger source of protein here.
- Carbohydrates: Egg has more (0.7g vs 0.1g per 100g) — a difference of 0.6g.
- Sugars: Egg has more (0.4g vs 0.1g per 100g) — a difference of 0.3g. Butter is the lower-sugars option if that is your priority.
- Fat: Butter has more (81.1g vs 9.5g per 100g) — a difference of 71.6g. Egg is the lower-fat option if that is your priority.
- Saturated fat: Butter has more (51.4g vs 3.1g per 100g) — a difference of 48.3g. Egg is the lower-saturated fat option if that is your priority.
- Fibre: both foods contain the same amount (0g per 100g).
- Sodium: Butter has more (643mg vs 142mg per 100g) — a difference of 501mg. Egg is the lower-sodium option if that is your priority.
- Potassium: Egg has more (138mg vs 24mg per 100g) — a difference of 114mg. Egg is the stronger source of potassium here.
- Calcium: Egg has more (56mg vs 24mg per 100g) — a difference of 32mg. Egg is the stronger source of calcium here.
- Iron: Egg has more (2mg vs 0mg per 100g) — a difference of 2mg. Egg is the stronger source of iron here.
- Vitamin c: both foods contain the same amount (0mg per 100g).
- Vitamin a: Butter has more (684µg vs 160µg per 100g) — a difference of 524µg. Butter is the stronger source of vitamin A here.
- Selenium: Egg has more (31µg vs 1µg per 100g) — a difference of 30µg. Egg is the stronger source of selenium here.
- Riboflavin (b2): Egg has more (0mg vs 0mg per 100g) — a difference of 0mg. Egg is the stronger source of riboflavin (B2) here.
Live serving-size calculator
Enter any amount for each food — every figure below recalculates instantly, with % of daily value shown for each nutrient (based on a standard 2,000-calorie reference diet).
| Nutrient | Butter | % DV | Egg | % DV |
|---|
* % Daily Value based on a 2,000-calorie reference diet, the same basis used on nutrition labels in the US and UK. Figures update live as you change the amounts above — no page reload.
Substituting one for the other
In baking and cooking, dairy substitutions usually work best when fat content is similar — swapping a higher-fat dairy product for a lower-fat one can affect texture, moisture and how a recipe sets, even when the flavour is close.
Useful for comparing these foods
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Which should you choose?
If your priority is fewer calories, Egg is the lower-calorie option at 143 kcal per 100g. If you need more protein, Egg provides more at 12.6g per 100g. For lower carbohydrates, Butter has fewer carbs at 0.1g per 100g.
Both butter and egg can form part of a healthy, balanced diet. The best choice depends on your individual goals — whether that is weight management, muscle building, or simply hitting your daily nutritional targets. A meal prep container set makes it easy to portion whichever you choose.
Frequently Asked Questions
Which has more calories, Butter or Egg?
Butter has 717 calories per 100g while Egg has 143 calories per 100g. Butter is higher in calories by 574 kcal per 100g.
Which has more protein, Butter or Egg?
Butter contains 0.8g of protein per 100g. Egg contains 12.6g of protein per 100g. Egg has more protein.
Is Butter healthier than Egg?
Butter has 717 kcal, 0.8g protein, 0.1g carbs and 81.1g fat per 100g. Egg has 143 kcal, 12.6g protein, 0.7g carbs and 9.5g fat per 100g. Which is healthier depends on your goals — higher protein, lower calorie and lower fat foods are generally preferred for weight management.
Which has more fibre, Butter or Egg?
Butter contains 0g of fibre per 100g, and Egg contains 0g per 100g. Butter has more fibre. Fibre supports digestion and helps with feeling fuller for longer.
How many calories per serving — Butter vs Egg?
A typical 1 tablespoon of butter (14g) is around 100 calories. A typical 1 large egg of egg (44g) is around 63 calories — a difference of 37 kcal per serving in favour of egg.
Can I substitute Butter for Egg in recipes?
In baking and cooking, dairy substitutions usually work best when fat content is similar — swapping a higher-fat dairy product for a lower-fat one can affect texture, moisture and how a recipe sets, even when the flavour is close.
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Figures per 100g from the USDA FoodData Central database (CC0 1.0).