Boone’s analysis puts McDonald's Big Mac at 25% of an adult’s daily calories, 67% of the daily salt limit for a child aged 4 to 6 and 2 teaspoons of free sugar.
How many calories are in a McDonald's Big Mac? It contains 509 kcal, 25g of fat (9.6g saturated), 8.1g of sugar and 2g of salt, one of the higher-calorie items on the menu.
Build a full meal with our nutrition calculator
Use the Boone meal calculator to build a full meal rather than view this item on its own. Add fries, a drink, dips and a dessert, then choose your age and sex for a more accurate view of how a Big Mac fits into a day.
Nutrition information
Nutrition information: McDonald's Big Mac
| Energy | 509 kcal |
| Fat | 25g |
| of which saturates | 9.6g |
| Carbohydrate | 41g |
| of which sugars | 8.1g |
| Fibre | 3.4g |
| Salt | 2g |
| Protein | 27g |
Nutrition figures are McDonald’s UK published data, per item as sold and before any optional sauces or extras. Boone converts them to the portion and age comparisons on this page.
A McDonald's Big Mac contains 509 kcal, which is 25% of the 2,000 kcal adult daily reference intake. It provides 25g of total fat, of which 9.6g is saturated, 8.1g of sugar, 2g of salt, 27g of protein and 3.4g of fibre.
The saturated fat content of 9.6g represents 48% of the adult daily guideline of 20g.
McDonald's Big Mac is assembled from 7 separately manufactured components, combined at the point of sale. The Big Mac sauce alone carries 6 different classes of additive. Across the whole item the ingredient list names anti-caking agents, antioxidants, colours, dextrose, emulsifiers, firming agents, flavourings, glucose or glucose-fructose syrup, maltodextrin, modified starches, preservatives, stabilisers and thickeners. None of these add nutritional value. They exist to make the item survive industrial production, freezing and transport.
McDonald's Big Mac carries a large share of a child’s daily salt
A McDonald's Big Mac contains 2g of salt, which is 67% of the daily limit for a child aged 4 to 6. It is also high in saturated fat.
Adult daily reference intakes (Reference Intake, RI)
Calories2,000 kcal
Total fat70g
Saturated fat20g
Carbohydrate260g
Sugars90g
Fibre30g
Salt6g
Protein50g
Sugar in McDonald's Big Mac
McDonald's Big Mac contains 8.1g of free sugar per standard serving (2.0 teaspoons). Moderate sugar
The NHS free sugar limit is 30g per day for adults, 24g for children aged 7 to 10, and 19g for children aged 4 to 6. Free sugar excludes the sugars naturally present in milk and whole fruit. The table below shows how this compares across all age groups.
Free sugar by portion: McDonald's Big Mac
| Portion | Adult (female)
30g | Adult (male)
30g | Age 11 to 17
30g | Age 7 to 10
24g | Age 4 to 6
19g |
|---|
| Per portion | 8.1g
27% | 8.1g
27% | 8.1g
27% | 8.1g
34% | 8.1g
43% |
| Teaspoons | 2.0 tsp |
Boone calculates these percentages from McDonald's UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Salt in McDonald's Big Mac
McDonald's Big Mac contains 2g of salt per standard serving. Moderate salt
Children have lower salt limits: 3g per day for ages 4 to 6, 5g for ages 7 to 10. The table below shows how this serving compares to daily limits for adults and children.
Salt by portion: McDonald's Big Mac
| Portion | Adult (female)
6g | Adult (male)
6g | Age 11 to 17
6g | Age 7 to 10
5g | Age 4 to 6
3g |
|---|
| Per portion | 2g
33% | 2g
33% | 2g
33% | 2g
40% | 2g
67% |
Boone calculates these percentages from McDonald's UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Calories in McDonald's Big Mac
McDonald's Big Mac contains 509 kcal per standard serving. Moderate calorie share
Daily calorie needs vary by age and sex. The table below shows how this serving compares to typical daily reference intakes.
Calories by portion: McDonald's Big Mac
| Portion | Adult (female)
2000 kcal | Adult (male)
2500 kcal | Age 11 to 17
1936 kcal | Age 7 to 10
1553 kcal | Age 4 to 6
1291 kcal |
|---|
| Per portion | 509 kcal
25% | 509 kcal
20% | 509 kcal
26% | 509 kcal
33% | 509 kcal
39% |
Boone calculates these percentages from McDonald's UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Saturated fat in McDonald's Big Mac
McDonald's Big Mac contains 9.6g of saturated fat per standard serving. Moderate saturated fat
The saturated fat guideline is 20g a day for women and 30g for men, and lower again for children. The table below shows how this serving compares.
Saturated fat by portion: McDonald's Big Mac
| Portion | Adult (female)
20g | Adult (male)
30g | Age 11 to 17
20g | Age 7 to 10
18g | Age 4 to 6
16g |
|---|
| Per portion | 9.6g
48% | 9.6g
32% | 9.6g
48% | 9.6g
53% | 9.6g
60% |
Boone calculates these percentages from McDonald's UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Fibre in McDonald's Big Mac
McDonald's Big Mac contains 3.4g of fibre per standard serving. Some fibre
Fibre is the one figure here that is a target to reach rather than a limit to stay under. UK guidance is 30g a day for adults, 25g for ages 11 to 17, 20g for ages 7 to 10 and 15g for ages 4 to 6. Most people in the UK fall well short. The table below shows how much of a day’s fibre this serving provides.
Fibre by portion: McDonald's Big Mac
| Portion | Adult (female)
30g | Adult (male)
30g | Age 11 to 17
25g | Age 7 to 10
20g | Age 4 to 6
15g |
|---|
| Per portion | 3.4g
11% | 3.4g
11% | 3.4g
14% | 3.4g
17% | 3.4g
23% |
Boone calculates these percentages from McDonald's UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Ultra-processed food: what is really in it
Processing and additives: McDonald's Big Mac
McDonald's Big Mac is assembled from 7 separately manufactured components, combined and cooked at the point of sale. Reading the ingredient list closely, it contains anti-caking agents, antioxidants, colours, dextrose, emulsifiers, firming agents, flavourings, glucose or glucose-fructose syrup, maltodextrin, modified starches, preservatives, stabilisers and thickeners. These are not there to add nutritional value. They make industrial production and distribution possible.
Anti-caking agents
Stop powders and sliced products sticking together. Found in the processed cheddar cheese slice.
Antioxidants
Slow the natural oxidation of fats, so components keep their colour and flavour. Found in the Big Mac bun.
Colours
Restore or standardise appearance after processing. Found in the processed cheddar cheese slice.
Dextrose
A simple sugar used for browning, bulk and mild sweetness. Found in the Big Mac bun.
Emulsifiers
Help oil-based and water-based ingredients blend and stay blended. Found in the Big Mac bun.
Firming agents
Keep processed vegetables crisp after packing. Found in the Big Mac sauce, pickle slices.
Flavourings
Add or restore taste lost during processing. Found in the Big Mac bun, Big Mac sauce, processed cheddar cheese slice.
Glucose or glucose-fructose syrup
Sweeten and control texture more cheaply than sugar alone. Found in the Big Mac sauce.
Maltodextrin
Bulk out a product and carry flavour, with little taste of its own. Found in the Big Mac bun.
Modified starches
Thicken and hold water in a way unmodified flour cannot. Found in the Big Mac sauce.
Preservatives
Slow the growth of bacteria, yeasts and moulds in centrally prepared components. Found in the beef patty, pickle slices.
Stabilisers
Stop mixtures separating and hold texture during storage and transport. Found in the Big Mac sauce.
Thickeners
Give sauces and syrups the body they would otherwise lack. Found in the Big Mac sauce.
Boone classifies McDonald's Big Mac as NOVA group 4, ultra-processed, based on the additives named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, 17-18 August 2026.
A McDonald's Big Mac contains at least 32 distinct ingredients: 20 raw and 12 manufactured. Ordered as a full meal with a dip and a dessert that reaches 56, of which 26 are manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.
Ingredient count by order: McDonald's Big Mac
| What you order | Raw | Manufactured | Total | % manufactured |
|---|
| McDonald's Big Mac on its own | 20 | 12 | 32 | 38% |
| McDonald's Big Mac + medium fries | 22 | 12 | 34 | 35% |
| McDonald's Big Mac + fries + a dip | 24 | 19 | 43 | 44% |
| McDonald's Big Mac + fries + dip + a medium Coca-Cola | 25 | 22 | 47 | 47% |
| McDonald's Big Mac + fries + dip + drink + an Oreo McFlurry | 30 | 26 | 56 | 46% |
The 12 manufactured ingredients
dextrose, emulsifying salts, glucose-fructose syrup, maize maltodextrin, maize starch, milk protein, modified maize starch, natural cheese flavouring, pea protein, potato starch, wheat starch, xanthan gum.
The 20 raw ingredients
butter, coconut oil, cream yeast, free range egg yolk, gherkin, iceberg lettuce, milk, onion, pepper, pure beef, rapeseed oil, salt, sesame seeds, spirit vinegar, sugar, vegetarian cheddar, vegetarian cheese, water, wheat flour, whey or skimmed milk powder.
What those ingredients are, by type
Meat, fish, dairy and eggs8
Starches5
Fruit and vegetables5
Grains and flours5
Oils and fats4
Sugars and syrups3
Stabilisers and thickeners1
Flavourings1
Acids and acidity regulators1
Salt and minerals1
Boone counts every distinct named ingredient on McDonald’s published component lists, including sub-ingredients, and removes duplicates, so salt appearing in four components counts once. Additive class names are dropped and the named substance kept, so “stabiliser (guar gum)” counts guar gum once. Raw covers whole foods and basic kitchen staples such as flour, sugar, salt and oil. Manufactured covers substances that only exist as an output of industrial processing. Where McDonald’s lists more than one approved supplier recipe only the primary one is counted, so every figure here is a minimum. The build uses a Sweet and Sour dip.
Ingredients
McDonald's Big Mac is assembled from 7 separately manufactured components.
Ingredients by component: McDonald's Big Mac
Big Mac bun
WHEAT flour, water, sugar, cream yeast, SESAME seeds, vegetable oil (rapeseed, coconut), potato starch, salt, emulsifier, pea protein, antioxidant, maize maltodextrin, dextrose, maize starch, WHEAT starch, natural flavouring.
Beef patty
100% pure beef, seasoned with salt and pepper after cooking, with no additives, fillers, binders, preservatives or flavour enhancers.
Big Mac sauce
water, rapeseed oil, gherkin, spirit vinegar, sugar, modified maize starch, free range EGG yolk, spices (contain MUSTARD), salt, glucose-fructose syrup, thickener (xanthan gum), natural flavourings, firming agent.
Processed cheddar cheese slice
vegetarian cheddar (51%) (MILK), water, vegetarian cheese (9%) (MILK), whey or skimmed MILK powder, butter (MILK), emulsifying salts, MILK protein, natural cheese flavouring (MILK), salt, colours, anti-caking agent.
Lettuce
100% iceberg lettuce.
Pickle slices
gherkins, water, spirit vinegar, salt, firming agent, natural flavouring, preservative.
McDonald’s lists more than one approved supplier formulation for the Big Mac bun and processed cheddar cheese slice; the version shown is the primary one and the allergen information covers all variants. Ingredients taken from the McDonald’s UK product pages, retrieved 17-18 August 2026. Recipes change - always check in restaurant before ordering if you have an allergy.
Allergens at a glance
McDonald's Big Mac contains wheat, sesame, milk, eggs and mustard.
Allergen information: McDonald's Big Mac
| Allergen | Status |
|---|
| Wheat | Contains |
| Rye | May contain traces |
| Barley | May contain traces |
| Oats | Not present |
| Sesame | Contains |
| Soya | Not present |
| Milk | Contains |
| Eggs | Contains |
| Fish | Not present |
| Crustaceans | Not present |
| Celery | Not present |
| Mustard | Contains |
| Molluscs | Not present |
| Lupin | Not present |
Contains = declared as an ingredient. May contain traces = McDonald's states the allergen cannot be excluded. McDonald's prepares food in kitchens where all 14 major allergens are present and equipment is shared, so no item can be guaranteed allergen free, even when ingredients are removed on request. Buns, rolls and tortilla wraps are toasted in the same toaster as sesame-topped buns. Retrieved 17-18 August 2026.
