How many carbs are in big mac?
1 MCDonald's Mac Jr of big mac contains about 29.1g of carbohydrate, 27.2g net carbs after subtracting 1.9g of fiber, 16.1g of protein, and 352 calories.
Carbs by portion size
| Portion | Total carbs | Fiber | Net carbs |
|---|---|---|---|
| 1 MCDonald's Mac Jr (135g) | 29.1g | 1.9g | 27.2g |
| 1 McDonald's Big Mac (205g) | 44.1g | 2.9g | 41.3g |
| 1 McDonald's Grand Mac (315g) | 67.8g | 4.4g | 63.4g |
| 100 grams (100g) | 21.5g | 1.4g | 20.1g |
Net carbs in big mac
1 MCDonald's Mac Jr of big mac contains 27.2g of net carbs — total carbs (29.1g) minus dietary fiber (1.9g). Net carbs are the carbs your body actually digests and that raise blood glucose. See our guide to net carbs for how this calculation works and when to use it.
Full nutrition for big mac (per 100g)
- Calories: 261 kcal
- Carbohydrate: 21.5g
- Dietary fiber: 1.4g
- Sugars: 3.3g
- Protein: 11.9g
- Fat: 14.1g
Reference values from USDA FoodData Central (survey fndds dataset, fdcId 2342361). Values are per 100 grams.
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How many carbs are in big mac?
1 MCDonald's Mac Jr of big mac contains about 29.1g of total carbohydrate. After subtracting 1.9g of fiber, the net carbs are about 27.2g.
How many net carbs are in big mac?
Net carbs in 1 MCDonald's Mac Jr of big mac are about 27.2g — that is total carbs (29.1g) minus dietary fiber (1.9g). See our net carbs explainer for the full calculation.
Is big mac good for diabetics?
Big Mac contains carbohydrates that will raise blood glucose. Whether it fits your meal plan depends on the portion and your overall daily target. Most U.S. diabetes care teams use total carbs (not net) for insulin dosing — see our diabetes carb-counting guide.
Is big mac keto-friendly?
Whether big mac fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (1 MCDonald's Mac Jr) provides about 27.2g of net carbs.