McDonald's Medium French Fries Calories & Carbs

Last updated September 8, 2026 · Compiled by the CarbMeNot Team

McDonald's Medium French Fries
40g
Net carbs
44g
Total carbs
4g
Fiber
4g
Protein
15g
Fat
320
Calories

Values per 1 medium order (111g); per 100 g: 36g net carbs, 288 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 (111g) — has 40g net carbs: 44g total carbs minus 4g fiber, plus 4g protein, 15g fat, and 320 calories. Per 100g that is 36g net carbs (39.6g total carbs, 3.6g fiber) and 288 calories. That makes mcdonald's medium french fries high in net carbs and higher than 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?

Not really

McDonald's Medium French Fries is generally not keto-friendly. 1 medium order (111g) is 40g net carbs (44g total carbs − 4g fiber); per 100g that is 36g 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.

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Carbs by serving size

ServingNet carbsTotal carbsCalories
1 medium order40g44g320
100 g (3.5 oz)36g39.6g288
1 oz (28 g)10.1g11.1g81

How many calories are in mcdonald's medium french fries?

McDonald's Medium French Fries — 1 medium order (111g) — has 320 calories, with 4g protein, 15g fat, and 40g net carbs. Per 100g: 288 calories and 36g net carbs.

Nutrition facts

NutrientAmount (per 100 g)
Calories288
Total carbs39.6g
Net carbs36g
Fiber3.6g
Sugar0g
Sugar alcohols0g
Protein3.6g
Fat13.5g
Sodium207mg
Potassium559mg

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, 111g) has 44g of total carbs and 40g of net carbs. Per 100 grams: 39.6g total, 36g net.
How many net carbs are in mcdonald's medium french fries?
McDonald's Medium French Fries has 40g of net carbs per 1 medium order (111g) — 44g 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 (111g) is 40g net carbs (44g total carbs − 4g fiber); per 100g that is 36g 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, 111g) has 320 calories; that is 288 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.