USDA Standard Reference · Fast Foods

Mcdonald's, Big Mac

According to USDA FoodData Central (FDC ID 170720, data refreshed July 2026), nutrition facts per 100g, sourced verbatim.

257
Caloriesmoderate density
11.8g
Proteinhigh · 24% DV
20.1g
Carbsmoderate · 7% DV
15.0g
Fatgood source · 19% DV
257 calories per 100g

Mcdonald's, Big Mac contains 257 calories per 100g according to USDA FoodData Central. It has 11.8g of protein, 15.0g of fat, and 20.1g of carbohydrates per 100g. Data is sourced verbatim from the USDA Standard Reference database, refreshed July 2026.

  • More protein than 55% of USDA whole foods

The verdict

Mcdonald's, Big Mac carries 11.8g of protein per 100g, more than 55% of USDA whole foods.

11.8g
protein per 100g
Top 45%
protein vs USDA whole foods
257
calories per 100g
1.6g
fiber per 100g

Percentile computed against the 7,880 USDA SR Legacy and Foundation whole foods with a protein value, not branded or processed items.

Mcdonald's, Big Mac contains 257 calories per 100g, according to the USDA FoodData Central database. It provides 11.8g of protein, 15.0g of fat, and 20.1g of carbohydrates per 100g. Dietary fiber: 1.6g. Below you will find a complete nutrient breakdown including vitamins, minerals, and daily value percentages based on a 2,000 calorie diet. Values are normalized to a 100g serving per the USDA FoodData Central standardization. Source: USDA laboratory analysis and manufacturer-reported label data for food products sold in the United States.

Where this data comes from

USDA FoodData Central is the United States government's authoritative reference for food composition, maintained by the Agricultural Research Service and updated as new laboratory analyses and manufacturer submissions are processed. Mcdonald's, Big Mac is catalogued there as FDC ID 170720, a usda standard reference entry, in the "Fast Foods" food group. Every figure on this page comes from USDA laboratory analysis under the FDC USDA Standard Reference program, standardized to 100 g so it can be compared fairly against any other food in the database. Values are shown on the USDA per-100 g basis.

Compare it against 6 nutritionally similar items in Nearby Foods below, or browse the whole Fast Foods group for context.

Nutritional Value at a Glance

Mcdonald's, Big Mac balances protein, fat, and carbohydrates without any single macro dominating.

At 6% of the Daily Value for fiber, it contributes moderately to daily fiber intake.

Allergen indicators

No FDA Big 9 major-allergen indicator was detected in the product name and brand text scan (milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, sesame). Absence-of-flag does NOT mean allergen-free. The USDA FoodData Central release does not always include a full ingredient list, always verify with the FDA-mandated ingredient and allergen statement printed on the physical package before consumption.

Nutrition Facts Serving size 100g Amount per serving Calories 257 % Daily Value* Total Fat 15g 19% Saturated Fat 4g 19% Trans Fat 0g Cholesterol 36mg 12% Sodium 460mg 20% Total Carbohydrate 20g 7% Dietary Fiber 2g 6% Total Sugars 4g Includes 0g Added Sugars 0% Protein 12g Vitamin D 0mcg 0% Calcium 116mg 9% Iron 2mg 11% Potassium 181mg 4% * The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Values per 100g

Macro Breakdown

257
Calories per 100g

257 kcal = 13% of FDA 2,000 kcal Daily Value

0%100%13of 2,000 kcal
257 kcal = 13% of FDA 2,000 kcal Daily Value
P: 11.8gF: 15.0gC: 20.1g
11.8g
Protein
24% DV
15.0g
Total Fat
19% DV
20.1g
Carbs
7% DV
1.6g
Fiber
6% DV
4.0g
Sugar
no FDA DV
460mg
Sodium
20% DV

Values shown per 100g, the USDA FoodData Central standardization. Serving size for this entry is not declared in the USDA release.

How Mcdonald's, Big Mac compares to Fast Foods

Per 100 g, against the average across all fast foods foods in USDA FoodData Central.

44% Higher in protein than 44% of fast foods on record.

Calories 2% above average
This food257 kcal
Category avg253 kcal
Protein 5% below average
This food11.8g
Category avg12.4g
Carbs 15% below average
This food20.1g
Category avg23.6g
Fat 21% above average
This food15.0g
Category avg12.4g

Category averages computed live across the USDA Fast Foods group. Compare against a specific food →

Where Mcdonald's, Big Mac ranks on protein

Its 11.8g of protein per 100g placed against every USDA reference (whole) food, the 7,880 SR Legacy and Foundation items with a protein value.

Protein per 100g - Mcdonald's, Big Mac vs every USDA reference food

USDA reference (whole) foods with a protein value

12 Top 45% higher than 55% of 7,880 USDA reference foods

0–5: 2,829 USDA reference foods (36%). Below this entry. 5–10: 1,170 USDA reference foods (15%). Below this entry. 10–15: 863 USDA reference foods (11%). This entry sits in this band. 15–20: 783 USDA reference foods (10%). Above this entry. 20–25: 1,085 USDA reference foods (14%). Above this entry. 25–30: 826 USDA reference foods (10%). Above this entry. 30–35: 230 USDA reference foods (3%). Above this entry. 35–40: 32 USDA reference foods (0%). Above this entry. 40–45: 9 USDA reference foods (0%). Above this entry. 45–50: 11 USDA reference foods (0%). Above this entry. 50–55: 9 USDA reference foods (0%). Above this entry. 55–60: 33 USDA reference foods (0%). Above this entry. This food 0 60 every USDA reference food, bucketed by value

Each bar is a band; taller bars hold more USDA reference foods. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USDA FoodData Central, SR Legacy & Foundation · July 2026

Where Mcdonald's, Big Mac sits among Fast Foods

Plotted by protein and calorie percentile among the 312 Fast Foods foods with both values, not raw amounts, so foods of very different sizes compare fairly.

Mcdonald's, Big Mac: 44th protein percentile, 45th calorie percentile among Fast Foods foods

025.150.375.4100.62.527.552.577.5102.5Protein percentileCalorie percentileFast foods, nachos, with cheese: Protein percentile 11, Calorie percentile 94CHICK-FIL-A, Chick-n-Strips: Protein percentile 93, Calorie percentile 29SUBWAY, cold cut sub on white bread with lettuce and tomato: Protein percentile 27, Calorie percentile 23BURGER KING, french fries: Protein percentile 4, Calorie percentile 68KFC, biscuit: Protein percentile 17, Calorie percentile 96POPEYES, Fried Chicken, Mild, Thigh, meat only, skin and breading removed: Protein percentile 96, Calorie percentile 18DIGIORNO Pizza, supreme topping, rising crust, frozen, baked: Protein percentile 43, Calorie percentile 43Fast foods, taco with beef, cheese and lettuce, hard shell: Protein percentile 19, Calorie percentile 28School Lunch, pizza, BIG DADDY'S LS 16" 51% Whole Grain Rolled Edge Turkey Pepperoni Pizza, frozen: Protein percentile 68, Calorie percentile 39SUBWAY, roast beef sub on white bread with lettuce and tomato: Protein percentile 51, Calorie percentile 7WENDY'S, french fries: Protein percentile 7, Calorie percentile 81KFC, Fried Chicken, ORIGINAL RECIPE, Skin and Breading: Protein percentile 75, Calorie percentile 97POPEYES, Fried Chicken, Mild, Thigh, meat and skin with breading: Protein percentile 89, Calorie percentile 87Fast Food, Pizza Chain, 14" pizza, pepperoni topping, thin crust: Protein percentile 73, Calorie percentile 91PIZZA HUT 14" Cheese Pizza, Stuffed Crust: Protein percentile 52, Calorie percentile 61Fast foods, breakfast burrito, with egg, cheese, and sausage: Protein percentile 35, Calorie percentile 66Fast foods, biscuit, with sausage: Protein percentile 22, Calorie percentile 96DOMINO'S 14" Cheese Pizza, Crunchy Thin Crust: Protein percentile 54, Calorie percentile 80Fast Food, Pizza Chain, 14" pizza, meat and vegetable topping, regular crust: Protein percentile 33, Calorie percentile 37McDONALD'S, BIG MAC (without Big Mac Sauce): Protein percentile 60, Calorie percentile 32Fast foods, miniature cinnamon rolls: Protein percentile 15, Calorie percentile 98Fast foods, biscuit, with egg and bacon: Protein percentile 38, Calorie percentile 84Fast foods, burrito, with beans, cheese, and beef: Protein percentile 15, Calorie percentile 15PIZZA HUT 14" Cheese Pizza, Hand-Tossed Crust: Protein percentile 47, Calorie percentile 63Mcdonald's, Big Mac: Protein percentile 44, Calorie percentile 45High-cal, low-proteinHigh-cal, high-proteinLow-cal, low-proteinLow-cal, high-protein
Mcdonald's, Big Mac: 44th protein percentile, 45th calorie percentile among Fast Foods foods
Read the chart as text
  • Fast foods, nachos, with cheese: Protein percentile 11, Calorie percentile 94
  • CHICK-FIL-A, Chick-n-Strips: Protein percentile 93, Calorie percentile 29
  • SUBWAY, cold cut sub on white bread with lettuce and tomato: Protein percentile 27, Calorie percentile 23
  • BURGER KING, french fries: Protein percentile 4, Calorie percentile 68
  • KFC, biscuit: Protein percentile 17, Calorie percentile 96
  • POPEYES, Fried Chicken, Mild, Thigh, meat only, skin and breading removed: Protein percentile 96, Calorie percentile 18
  • DIGIORNO Pizza, supreme topping, rising crust, frozen, baked: Protein percentile 43, Calorie percentile 43
  • Fast foods, taco with beef, cheese and lettuce, hard shell: Protein percentile 19, Calorie percentile 28
  • School Lunch, pizza, BIG DADDY'S LS 16" 51% Whole Grain Rolled Edge Turkey Pepperoni Pizza, frozen: Protein percentile 68, Calorie percentile 39
  • SUBWAY, roast beef sub on white bread with lettuce and tomato: Protein percentile 51, Calorie percentile 7
  • WENDY'S, french fries: Protein percentile 7, Calorie percentile 81
  • KFC, Fried Chicken, ORIGINAL RECIPE, Skin and Breading: Protein percentile 75, Calorie percentile 97
  • POPEYES, Fried Chicken, Mild, Thigh, meat and skin with breading: Protein percentile 89, Calorie percentile 87
  • Fast Food, Pizza Chain, 14" pizza, pepperoni topping, thin crust: Protein percentile 73, Calorie percentile 91
  • PIZZA HUT 14" Cheese Pizza, Stuffed Crust: Protein percentile 52, Calorie percentile 61
  • Fast foods, breakfast burrito, with egg, cheese, and sausage: Protein percentile 35, Calorie percentile 66
  • Fast foods, biscuit, with sausage: Protein percentile 22, Calorie percentile 96
  • DOMINO'S 14" Cheese Pizza, Crunchy Thin Crust: Protein percentile 54, Calorie percentile 80
  • Fast Food, Pizza Chain, 14" pizza, meat and vegetable topping, regular crust: Protein percentile 33, Calorie percentile 37
  • McDONALD'S, BIG MAC (without Big Mac Sauce): Protein percentile 60, Calorie percentile 32
  • Fast foods, miniature cinnamon rolls: Protein percentile 15, Calorie percentile 98
  • Fast foods, biscuit, with egg and bacon: Protein percentile 38, Calorie percentile 84
  • Fast foods, burrito, with beans, cheese, and beef: Protein percentile 15, Calorie percentile 15
  • PIZZA HUT 14" Cheese Pizza, Hand-Tossed Crust: Protein percentile 47, Calorie percentile 63
  • Mcdonald's, Big Mac: Protein percentile 44, Calorie percentile 45
Read the chart

Mcdonald's, Big Mac ranks at the 44th percentile for protein and the 45th percentile for calories among Fast Foods foods (n=312).

  • Fast foods, nachos, with cheese: 11th protein percentile, 94th calorie percentile
  • CHICK-FIL-A, Chick-n-Strips: 93rd protein percentile, 29th calorie percentile
  • SUBWAY, cold cut sub on white bread with lettuce and tomato: 27th protein percentile, 23rd calorie percentile
  • BURGER KING, french fries: 4th protein percentile, 68th calorie percentile
  • KFC, biscuit: 17th protein percentile, 96th calorie percentile
  • POPEYES, Fried Chicken, Mild, Thigh, meat only, skin and breading removed: 96th protein percentile, 18th calorie percentile
  • DIGIORNO Pizza, supreme topping, rising crust, frozen, baked: 43rd protein percentile, 43rd calorie percentile
  • Fast foods, taco with beef, cheese and lettuce, hard shell: 19th protein percentile, 28th calorie percentile
  • School Lunch, pizza, BIG DADDY'S LS 16" 51% Whole Grain Rolled Edge Turkey Pepperoni Pizza, frozen: 68th protein percentile, 39th calorie percentile
  • SUBWAY, roast beef sub on white bread with lettuce and tomato: 51st protein percentile, 7th calorie percentile
  • WENDY'S, french fries: 7th protein percentile, 81st calorie percentile
  • KFC, Fried Chicken, ORIGINAL RECIPE, Skin and Breading: 75th protein percentile, 97th calorie percentile

Full Nutrient Breakdown

Every nutrient USDA reports for this food, per 100 g, with each value's share of the FDA Daily Value shown as a bar.

Macronutrients

Nutrient Amount % DV
Carbohydrate, by difference 20.1 G
7%
Energy 257 KCAL
Fiber, total dietary 1.6 G
6%
Protein 11.8 G
24%
Total Sugars 4.0 G
Total lipid (fat) 15.0 G
19%
Ash 1.9 G
Energy 1076.0 kJ
Fructose 1.7 G
Galactose 0.00 G
Glucose 1.0 G
Lactose 0.32 G
Maltose 0.49 G
Sucrose 0.46 G
Water 51.3 G

Vitamins

Nutrient Amount % DV
Folate, total 46.0 UG
Niacin 3 MG
Riboflavin 0 MG
Thiamin 0 MG
Vitamin B-12 0.9 UG
Vitamin C, total ascorbic acid 0 MG

Minerals

Nutrient Amount % DV
Calcium, Ca 116 MG
9%
Iron, Fe 2 MG
11%
Potassium, K 181 MG
4%
Sodium, Na 460 MG
20%
Copper, Cu 0 MG
Magnesium, Mg 20 MG
Manganese, Mn 0 MG
Phosphorus, P 122 MG
Vitamin A, IU 188 IU
Zinc, Zn 2 MG

Lipids

Nutrient Amount % DV
Cholesterol 36 MG
12%
Fatty acids, total saturated 3.8 G
19%
Fatty acids, total monounsaturated 3.5 G
Fatty acids, total polyunsaturated 0.31 G

Key takeaways

  • Mcdonald's, Big Mac delivers 11.8g of protein per 100g, more than 55% of USDA whole foods. See the protein ranking
  • It carries 257 calories per 100g - about at or above the fast foods average of 253. Compare fast foods

Nearby Foods

Foods in the same category with similar calorie content, useful for swaps, substitutions, and side-by-side comparison.

→ Compare Mcdonald's, Big Mac side-by-side with DOMINO'S 14" Cheese Pizza and Fast foods

Similar Protein Content

Other foods in Fast Foods closest to 11.8g protein per 100g, useful for protein-matched substitutions.

Frequently Asked Questions

How many calories are in Mcdonald's, Big Mac?
Mcdonald's, Big Mac contains 257 calories per 100g. It has 11.8g of protein, 15.0g of fat, and 20.1g of carbohydrates.
What are the macros in Mcdonald's, Big Mac?
Per 100g, Mcdonald's, Big Mac has 11.8g protein (18% of calories), 15.0g fat, and 20.1g carbs. Fiber: 1.6g. Sugar: 4.0g.
How much sodium is in Mcdonald's, Big Mac?
Mcdonald's, Big Mac contains 460mg of sodium per 100g, which is 20% of the recommended daily limit (2,300mg).
Is Mcdonald's, Big Mac high in fiber?
Mcdonald's, Big Mac contains 1.6g of dietary fiber per 100g, which is 6% of the daily recommended value (28g).
Is Mcdonald's, Big Mac keto-friendly?
Mcdonald's, Big Mac has 20.1g of carbs per 100g (31% of calories), which may be too high for strict keto diets (typically under 5g net carbs per serving).
Is Mcdonald's, Big Mac good for a diet?
Mcdonald's, Big Mac has 257 calories per 100g. Fat content: 15.0g.
How does Mcdonald's, Big Mac compare to other foods?
Mcdonald's, Big Mac provides 257 calories and 11.8g protein per 100g. That is 22 calories per gram of protein. Use our compare tool to see how it stacks up against similar foods in the Fast Foods category.
What food group does Mcdonald's, Big Mac belong to?
Mcdonald's, Big Mac is classified under "Fast Foods" in the USDA FoodData Central database (FDC ID: 170720).

More in This Category

Other foods in Fast Foods

Nutrition Guides

Learn how to interpret and use nutrition data effectively

Primary source data

Data Sources & Methodology

Data from USDA FoodData Central, April 2026 release. See our methodology.

Source: USDA FoodData Central (FDC ID 170720) — USDA Standard Reference database. Verify with USDA →

Source: FDA 2,000-calorie Daily Value reference — %DV computed against the USDA per-100g standardization basis.

Disclaimer: This information is for reference only and should not replace professional dietary advice. Nutrient content may vary by brand, preparation method, and seasonal factors.

All federal data sources used on this page

Every figure on GetFoodFacts is rendered directly from official USDA FoodData Central records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.