Big Mac Burger | Price, Calories, Nutrition & Allergen Info (2025)
The Iconic Beef Burger
The Big Mac® features two 100% beef patties, melted cheese, fresh lettuce, onions, pickles, and the famous Big Mac® sauce, all served in a triple-layer sesame seed bun. A staple when you want that classic McDonald’s flavour.
Price: £5.09 | Calories: 509 kcal

🧾 Ingredients in the Big Mac®
- Two 100% beef patties
- Sesame seed bun (with wheat)
- Cheese slice (dairy)
- Big Mac® sauce
- Lettuce, onions, pickles
Nutrition Facts (Per Burger)
| Nutrient | Amount | % Reference Intake (UK adult, ~2,000 kcal) |
|---|---|---|
| Calories | 509 kcal | — |
| Total Fat | 25 g | ~ 36 % |
| Saturated Fat | 9.5 g | ~ 48 % |
| Carbohydrates | 41-43 g | ~ 14–17 % |
| Sugars | ~ 9 g | — |
| Dietary Fibre | ~ 3.6 g | — |
| Protein | 26-27 g | ~ 52–54 % |
| Salt (Sodium) | ~ 2.3 g | — |
*Based on public data from Nutracheck / CalorieKing. Nutracheck+1
Allergen & Gluten Info
| Allergen / Sensitivity | Present? | Notes |
|---|---|---|
| Wheat / Gluten | Yes | Sesame seed bun contains wheat. |
| Milk / Dairy | Yes | Cheese & possibly sauce. |
| Eggs | Possible | Sauce could contain egg-based ingredients. |
| Soy / Soya | Possibly | Sauce or buns may include soy derivatives. |
| Meat | Yes | Beef patties. |
Why Choose the Big Mac®
- Classic McDonald’s flavour combination: beef, cheese, sauce—recognisable around the world.
- Solid protein content (~ 26-27 g) to help satisfy hunger.
- Moderate calories for a burger of this build.
Customization Options
- Remove or reduce cheese to lower dairy / saturated fat.
- Skip onions / pickles if you prefer less tang.
- Use “no sauce” or sauce on side to control calories.
- Double lettuce / tomato if available to add freshness.
Availability
- Regular item on McDonald’s UK menu. McDonald’s
- Nutritional values and price may vary slightly by location or ongoing promotions.
Frequently Asked Questions
Q: How many calories are in the Big Mac®?
A: Around 509 kcal per burger in the UK. Nutracheck
Q: Is the bun gluten-free?
A: No — the bun contains wheat and sesame; not gluten-free.
Q: What allergens are in it?
A: Contains wheat, dairy; possibly eggs and soy via sauce.
