McDonald's Medium French Fries Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 medium order (117g); per 100 g: 33.4g net carbs, 274 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in mcdonald's medium french fries?
McDonald's Medium French Fries — 1 medium order (117g) — has 39.1g net carbs: 43.1g total carbs minus 4g fiber, plus 5g protein, 15g fat, and 321 calories. Per 100g that is 33.4g net carbs (36.8g total carbs, 3.4g fiber) and 274 calories. That makes mcdonald's medium french fries high in net carbs and about average for the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, mcdonald's medium french fries is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is mcdonald's medium french fries keto-friendly?
McDonald's Medium French Fries is generally not keto-friendly. 1 medium order (117g) is 39.1g net carbs (43.1g total carbs − 4g fiber); per 100g that is 33.4g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Keeping an eye on carbs in mcdonald's medium french fries?
McDonald's Medium French Fries runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 medium order | 39.1g | 43.1g | 5g | 321 |
| 100 g (3.5 oz) | 33.4g | 36.8g | 4.3g | 274 |
| 1 oz (28 g) | 9.4g | 10.3g | 1.2g | 77 |
How many calories are in mcdonald's medium french fries?
McDonald's Medium French Fries — 1 medium order (117g) — has 321 calories, with 5g protein, 15g fat, and 39.1g net carbs. Per 100g: 274 calories and 33.4g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 274 |
| Total carbs | 36.8g |
| Net carbs | 33.4g |
| Fiber | 3.4g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 4.3g |
| Fat | 12.8g |
| Sodium | 222mg |
| 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 medium french fries?
- McDonald's Medium French Fries (1 medium order, 117g) has 43.1g of total carbs and 39.1g of net carbs. Per 100 grams: 36.8g total, 33.4g net.
- How many net carbs are in mcdonald's medium french fries?
- McDonald's Medium French Fries has 39.1g of net carbs per 1 medium order (117g) — 43.1g total carbs minus 4g fiber.
- Is mcdonald's medium french fries keto-friendly?
- McDonald's Medium French Fries is generally not keto-friendly. 1 medium order (117g) is 39.1g net carbs (43.1g total carbs − 4g fiber); per 100g that is 33.4g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in mcdonald's medium french fries?
- McDonald's Medium French Fries (1 medium order, 117g) has 321 calories; that is 274 calories per 100 grams.
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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.