Carbs in McDonald's Small French Fries

How many carbs are in mcdonald's small french fries?

McDonald's Small French Fries has 36.6g net carbs per 100g — 40.8g total carbs minus 4.2g fiber — plus 4.2g protein, 15.5g fat, and 324 calories. 1 small order (71g) works out to about 26g net carbs and 230 calories. That makes mcdonald's small french 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 small 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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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

McDonald's Small French Fries
36.6g
Net carbs
40.8g
Total carbs
4.2g
Fiber
4.2g
Protein
15.5g
Fat
324
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
1 small order26g29g230
100 g (3.5 oz)36.6g40.8g324
1 oz (28 g)10.2g11.4g91

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

McDonald's Small French Fries has 324 calories per 100g. 1 small order (71g) has about 230 calories. That's alongside 4.2g protein, 15.5g fat, and 36.6g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories324
Total carbs40.8g
Net carbs36.6g
Fiber4.2g
Sugar0g
Sugar alcohols0g
Protein4.2g
Fat15.5g
Sodium225mg
Potassium563mg

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 small french fries?
McDonald's Small French Fries has 40.8g of total carbs and 36.6g of net carbs per 100 grams.
How many net carbs are in mcdonald's small french fries?
McDonald's Small French Fries has 36.6g of net carbs per 100 grams (total carbs 40.8g minus 4.2g fiber).
Is mcdonald's small french fries keto-friendly?
McDonald's Small French Fries has 36.6g 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 small french fries?
McDonald's Small French Fries has 324 calories per 100 grams.
How many carbs are in 1 small order?
1 small order (71g) has about 26g net carbs, 29g total carbs, and 230 calories.

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