How many carbs are in a McDonald's Medium French Fries?
A 1 medium (111g) serving of McDonald's Medium French Fries contains 43g of total carbs (39g net carbs), 0g sugar, 320 calories, 4g protein, 15g fat and 4g fiber.
- Calories
- 320 cal
- Carbohydrates
- 43 g
- of which Sugars
- 0 g
- Fiber
- 4 g
- Net carbs
- 39 g
- Protein
- 4 g
- Fat
- 15 g
McDonald's Medium French Fries nutrition at a glance
Per 1 medium (111g), McDonald's Medium French Fries delivers about 16% of a 2,000-calorie daily reference, 16% of the 275g daily carbohydrate reference and 14% of the 28g daily fiber reference. Sugar sits at 0% of the 50g added-sugar reference and protein contributes 8% of the 50g protein reference.
- Calories
- 288
- Carbs
- 38.7 g
- Sugar
- 0 g
- Protein
- 3.6 g
- Fat
- 13.5 g
- Fiber
- 3.6 g
Blood-sugar impact of McDonald's Medium French Fries
The fiber content slows glucose absorption, so the real glycemic impact is lower than the raw carb count suggests. A good option for steady energy.
With 43g total carbs and 4g fiber, the net-carb figure for a 1 medium (111g) serving works out to roughly 39g — this is the number most keto and low-carb tracking apps use. If you're managing type 2 diabetes, pre-diabetes or reactive hypoglycemia, use total carbs for insulin dosing calculations and treat net carbs as a rough guide for meal planning.
Ways to eat McDonald's Medium French Fries
- Treat mcdonald's medium french fries as your main carb source for the meal — skip additional bread, rice or pasta on the side.
- Split a full serving of mcdonald's medium french fries into two smaller portions to keep post-meal glucose steadier.
- Pair mcdonald's medium french fries with 20–30g of protein and some healthy fat to flatten the blood-sugar response.
Frequently asked questions
Is McDonald's Medium French Fries keto-friendly?
Not really. 39g net carbs per 1 medium (111g) exceeds a full-day keto allowance for most people. It's a much better fit for a low-carb (100–150g/day) or balanced plan.
How many carbs in McDonald's Medium French Fries per 100 grams?
About 38.7g of carbs, 0g sugar and 288 calories per 100g of McDonald's Medium French Fries.
How does McDonald's Medium French Fries affect blood sugar?
The fiber content slows glucose absorption, so the real glycemic impact is lower than the raw carb count suggests. A good option for steady energy.
Is McDonald's Medium French Fries good for weight loss?
A serving delivers 320 calories with 4g protein and 4g fiber. Foods that are relatively high in protein and fiber per calorie tend to be more filling — with a 3% combined protein-plus-fiber-to-calorie ratio, McDonald's Medium French Fries is best paired with a lean protein or vegetables so the meal keeps you full for longer.
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Open scannerSources & how these numbers are calculated
Nutrition values are consensus averages compiled from the USDA FoodData Central database for a typical 1 medium (111g) serving of McDonald's Medium French Fries. Actual values vary with brand, variety, ripeness and preparation — always check the label on packaged products. Daily-value percentages reference the U.S. FDA 2,000-calorie adult reference (275g carbs, 50g added sugar, 50g protein, 78g fat, 28g fiber).
Content reviewed by Carb Lens editorial. Read our editorial policy for how we source, review and update food data.