Restaurant and brand foods · McDonald's USA
Big Mac calories and nutrition
One McDonald's Big Mac has 580 calories, with 25 g of protein, 45 g of carbs and 34 g of fat (McDonald's USA).
Official name: Big Mac®. Serving: 1 Big Mac.
Big Mac nutrition facts
Official US amounts per serving. Any calculated serving is explicitly labeled. Calories are kilocalories (kcal).
| Nutrient | Per serving1 Big Mac | % Daily Value | Per 100 gPublished by McDonald's |
|---|---|---|---|
| Calories | 580 | – | 267.8 |
| Total fat | 34 g | 43% | 15.7 g |
| Saturated fat | 11 g | 56% | 5.1 g |
| Trans fat | 1 g | – | 0.5 g |
| Cholesterol | 85 mg | 28% | 39.2 mg |
| Sodium | 1060 mg | 46% | 489.4 mg |
| Total carbohydrate | 45 g | 16% | 20.8 g |
| Dietary fiber | 3 g | 10% | 1.4 g |
| Total sugars | 7 g | – | 3.2 g |
| Added sugars | 5 g | 10% | 2.3 g |
| Protein | 25 g | – | 11.5 g |
| Vitamin D | 0 µg | 0% | 0 µg |
| Calcium | 120 mg | 10% | 55.4 mg |
| Iron | 4 mg | 25% | 1.8 mg |
| Potassium | 370 mg | 8% | 170.8 mg |
| Caffeine | 0 mg | – | 0 mg |
Unmarked percentages are published by the brand, per stated serving. A dash means no percentage is shown.
“Not published” means a numeric amount is not given in the official information used here; it does not mean zero. Less-than amounts stay as printed. No serving weight is inferred from calories or per 100 g values.
How long to walk it off
Walking at 3 mph, a 150-lb adult burns about 3.2 calories a minute on top of what they would burn at rest. So one McDonald's Big Mac (580 calories) takes about 183 minutes of walking, roughly 20,800 steps.
Related foods to explore
- McDouble390 calories in one McDonald's McDouble
- McDonald's Fries320 calories in a medium order of McDonald's fries
- OREO McFlurry410 calories in a regular McDonald's OREO McFlurry
- Double Cheeseburger440 calories in one McDonald's Double Cheeseburger
Big Mac questions
Big Mac calories: how many are in one burger?
One US Big Mac has 580 calories (kilocalories). This is the burger alone.
What is the nutrition for Big Mac?
One burger has 25 g protein, 45 g carbs, 34 g fat and 1060 mg sodium.
How many kilocalories in a Big Mac per 100 g?
McDonald's publishes 267.8 calories per 100 g. It does not publish a serving weight; we do not calculate one.
How many kilocalories are in one Big Mac?
One US Big Mac has 580 kilocalories (kcal), the same as 580 food calories. This is the burger alone, without sides or drinks.
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- McDonald's: Big Mac® (US; checked ).
- U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels.
- Walking time: the method of our walking calorie calculator (2024 Adult Compendium of Physical Activities; CADENCE-Adults for steps).
KaloCam isn't affiliated with McDonald's. Brand names are trademarks of their owners. US menu data from McDonald's's official nutrition information, checked Oct 21, 2026; recipes and portions vary by location and change over time.
Prepared by the KaloCam team · Updated