Carbs in Mcdonalds Fries
Mcdonalds Fries (per 100 g) contains 42g total carbs, 38.4g net carbs, 17g fat, 3.3g protein, and 337 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
38.4g
Net carbs
42g
Total carbs
3.6g
Fiber
3.3g
Protein
17g
Fat
337
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 38.4g | 42g | 3.3g | 337 |
| 1 oz (28 g) | 10.8g | 11.8g | 0.9g | 94 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 337 |
| Total carbs | 42g |
| Net carbs | 38.4g |
| Fiber | 3.6g |
| Sugar | 0.6g |
| Sugar alcohols | 0g |
| Protein | 3.3g |
| Fat | 17g |
| Sodium | 248mg |
| Potassium | 0mg |
Source: Open Food Facts (McDonald’s). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in mcdonalds fries?
- Mcdonalds Fries has 42g of total carbs and 38.4g of net carbs per 100 grams.
- How many net carbs are in mcdonalds fries?
- Mcdonalds Fries has 38.4g of net carbs per 100 grams (total carbs 42g minus 3.6g fiber).
- Is mcdonalds fries keto-friendly?
- Mcdonalds Fries has 38.4g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in mcdonalds fries?
- Mcdonalds Fries has 337 calories per 100 grams.
