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McDonald's fries calories

Mcdonald's fries, fast food
378kcal
1 medium serving · 117 g, fast food
4%protein
4 gProtein
50 gCarbs
18.1 gFat
How to burn off 378 kcal
—Walking, brisk
—Jogging
—Cycling, moderate
—Swimming
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Nutrition facts
Fast food · per 117 g
Calories378 kcal
Protein4 g
Carbohydrate50 g
Fat18.1 g
Saturated fat2.7 g
Sodium221 mg
Potassium697 mg
Iron0.9 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

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Calories per 100 g
FriesFries312 kcal / 100 gMcdonald'S Small FriesMcdonald'S Small Fries323 kcal / 100 gWaffle FriesWaffle Fries289 kcal / 100 g

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Mcdonald's fries FAQs
How many calories are in a medium McDonald's fries?

A medium serving weighs 117 g and has 378 calories. A large (154 g) is 497 calories and a small (71 g) is 229.

Are McDonald's fries good for weight loss?

They are calorie dense at 323 calories per 100 g, so a medium serving takes 378 calories out of the day. A small serving keeps it to 229 calories and a kids size to 100.

Do McDonald's fries have more calories than regular french fries?

Slightly. McDonald's fries are 323 calories per 100 g against 312 for generic fries, a difference of 11 calories per 100 g.

How much fat is in McDonald's fries?

Per 100 g there are 15.5 g fat, of which 2.3 g saturated. A medium serving has 18.1 g fat, 49.8 g carbs and 4 g protein.