Carbs in McDonald's Large Fries
How many carbs are in mcdonald's large fries?
McDonald's Large Fries has 39g net carbs per 100g — 42.9g total carbs minus 3.9g fiber — plus 4.5g protein, 14.9g fat, and 318 calories. 1 large fries (154g) works out to about 60.1g net carbs and 490 calories. That makes mcdonald's large fries high in net carbs and higher than the typical fast-food item, which averages about 27.6g net carbs per 100g. At this carb count, mcdonald's large 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 fries | 60.1g | 66.1g | 6.9g | 490 |
| 100 g (3.5 oz) | 39g | 42.9g | 4.5g | 318 |
| 1 oz (28 g) | 10.9g | 12g | 1.3g | 89 |
How many calories are in mcdonald's large fries?
McDonald's Large Fries has 318 calories per 100g. 1 large fries (154g) has about 490 calories. That's alongside 4.5g protein, 14.9g fat, and 39g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 318 |
| Total carbs | 42.9g |
| Net carbs | 39g |
| Fiber | 3.9g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 4.5g |
| Fat | 14.9g |
| Sodium | 260mg |
| Potassium | 487mg |
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 fries?
- McDonald's Large Fries has 42.9g of total carbs and 39g of net carbs per 100 grams.
- How many net carbs are in mcdonald's large fries?
- McDonald's Large Fries has 39g of net carbs per 100 grams (total carbs 42.9g minus 3.9g fiber).
- Is mcdonald's large fries keto-friendly?
- McDonald's Large 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 fries?
- McDonald's Large Fries has 318 calories per 100 grams.
- How many carbs are in 1 large fries?
- 1 large fries (154g) has about 60.1g net carbs, 66.1g total carbs, and 490 calories.
