Carbs in McDonald's Large French Fries
How many carbs are in mcdonald's large french fries?
McDonald's Large French Fries has 39g net carbs per 100g — 42.9g total carbs minus 3.9g fiber — plus 4.5g protein, 15.6g fat, and 331 calories. 1 large order (154g) works out to about 60.1g net carbs and 510 calories. That makes mcdonald's large french fries high in net carbs and higher than the typical fast-food item, which averages about 27.1g net carbs per 100g. At this carb count, mcdonald's large french fries is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
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Free · no signup · ★ 4.7Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 large order | 60.1g | 66.1g | 6.9g | 510 |
| 100 g (3.5 oz) | 39g | 42.9g | 4.5g | 331 |
| 1 oz (28 g) | 10.9g | 12g | 1.3g | 93 |
How many calories are in mcdonald's large french fries?
McDonald's Large French Fries has 331 calories per 100g. 1 large order (154g) has about 510 calories. That's alongside 4.5g protein, 15.6g fat, and 39g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 331 |
| Total carbs | 42.9g |
| Net carbs | 39g |
| Fiber | 3.9g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 4.5g |
| Fat | 15.6g |
| Sodium | 227mg |
| Potassium | 0mg |
Source: Manufacturer-reported values (fast-food). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in mcdonald's large french fries?
- McDonald's Large French Fries has 42.9g of total carbs and 39g of net carbs per 100 grams.
- How many net carbs are in mcdonald's large french fries?
- McDonald's Large French Fries has 39g of net carbs per 100 grams (total carbs 42.9g minus 3.9g fiber).
- Is mcdonald's large french fries keto-friendly?
- McDonald's Large French Fries has 39g 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 mcdonald's large french fries?
- McDonald's Large French Fries has 331 calories per 100 grams.
- How many carbs are in 1 large order?
- 1 large order (154g) has about 60.1g net carbs, 66.1g total carbs, and 510 calories.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.