Restaurant and brand foods · McDonald's USA
McDonald's Fries calories and nutrition
A medium order of McDonald's fries has 320 calories, with 5 g of protein, 43 g of carbs and 15 g of fat (McDonald's USA).
Official name: World Famous Fries® (medium). Serving: 1 medium order.
Calories in McDonald's fries: small, medium and large
Each row uses its own stated serving. These are not equal-weight comparisons.
| Type / serving | Calories | Protein | Carbs | Fat | Sodium |
|---|---|---|---|---|---|
| Medium fries1 medium order | 320 | 5 g | 43 g | 15 g | 260 mg |
| Small fries1 small order | 230 | 3 g | 31 g | 11 g | 190 mg |
| Large fries1 large order | 480 | 7 g | 65 g | 23 g | 400 mg |
McDonald's Fries nutrition facts
Official US amounts per serving. Any calculated serving is explicitly labeled. Calories are kilocalories (kcal).
Medium fries
| Nutrient | Per serving1 medium order | % Daily Value | Per 100 gPublished by McDonald's |
|---|---|---|---|
| Calories | 320 | – | 294.7 |
| Total fat | 15 g | 19% | 13.8 g |
| Saturated fat | 2 g | 10% | 1.8 g |
| Trans fat | 0 g | – | 0 g |
| Cholesterol | 0 mg | 0% | 0 mg |
| Sodium | 260 mg | 11% | 239.5 mg |
| Total carbohydrate | 43 g | 15% | 39.6 g |
| Dietary fiber | 4 g | 14% | 3.7 g |
| Total sugars | 0 g | – | 0 g |
| Added sugars | 0 g | 0% | 0 g |
| Protein | 5 g | – | 4.6 g |
| Vitamin D | 0 µg | 0% | 0 µg |
| Calcium | 15 mg | 2% | 13.8 mg |
| Iron | 1 mg | 4% | 0.9 mg |
| Potassium | 650 mg | 15% | 598.6 mg |
| Caffeine | 0 mg | – | 0 mg |
Small fries
| Nutrient | Per serving1 small order | % Daily Value | Per 100 gPublished by McDonald's |
|---|---|---|---|
| Calories | 230 | – | 294.7 |
| Total fat | 11 g | 14% | 14.1 g |
| Saturated fat | 1.5 g | 7% | 1.9 g |
| Trans fat | 0 g | – | 0 g |
| Cholesterol | 0 mg | 0% | 0 mg |
| Sodium | 190 mg | 8% | 243.4 mg |
| Total carbohydrate | 31 g | 11% | 39.7 g |
| Dietary fiber | 3 g | 10% | 3.8 g |
| Total sugars | 0 g | – | 0 g |
| Added sugars | 0 g | 0% | 0 g |
| Protein | 3 g | – | 3.8 g |
| Vitamin D | 0 µg | 0% | 0 µg |
| Calcium | 10 mg | 0% | 12.8 mg |
| Iron | 0.5 mg | 4% | 0.6 mg |
| Potassium | 470 mg | 10% | 602.2 mg |
| Caffeine | 0 mg | – | 0 mg |
Large fries
| Nutrient | Per serving1 large order | % Daily Value | Per 100 gPublished by McDonald's |
|---|---|---|---|
| Calories | 480 | – | 288.4 |
| Total fat | 23 g | 29% | 13.8 g |
| Saturated fat | 3 g | 16% | 1.8 g |
| Trans fat | 0 g | – | 0 g |
| Cholesterol | 0 mg | 0% | 0 mg |
| Sodium | 400 mg | 17% | 240.4 mg |
| Total carbohydrate | 65 g | 24% | 39.1 g |
| Dietary fiber | 6 g | 21% | 3.6 g |
| Total sugars | 0 g | – | 0 g |
| Added sugars | 0 g | 1% | 0 g |
| Protein | 7 g | – | 4.2 g |
| Vitamin D | 0 µg | 0% | 0 µg |
| Calcium | 25 mg | 2% | 15 mg |
| Iron | 1.5 mg | 8% | 0.9 mg |
| Potassium | 1000 mg | 20% | 600.9 mg |
| Caffeine | 0 mg | – | 0 mg |
Unmarked percentages are published by the brand, per stated serving. A dash means no percentage is shown.
“Not published” means a numeric amount is not given in the official information used here; it does not mean zero. Less-than amounts stay as printed. No serving weight is inferred from calories or per 100 g values.
How long to walk it off
Walking at 3 mph, a 150-lb adult burns about 3.2 calories a minute on top of what they would burn at rest. So a medium order of McDonald's fries (320 calories) takes about 101 minutes of walking, roughly 11,500 steps.
Related foods to explore
- Big Mac580 calories in one McDonald's Big Mac
- McDouble390 calories in one McDonald's McDouble
- McChicken390 calories in one McDonald's McChicken
- OREO McFlurry410 calories in a regular McDonald's OREO McFlurry
McDonald's Fries questions
Calories in McDonald's fries medium: how many?
One medium US order has 320 calories, 5 g protein, 43 g carbs and 15 g fat.
How many calories in McDonald's fries small?
One small order has 230 calories; a large order has 480.
How much sodium is in each fries size?
Small has 190 mg sodium, medium 260 mg and large 400 mg. No serving weight is published.
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- McDonald's: World Famous Fries® (medium) (US; checked ).
- McDonald's: World Famous Fries® (small) (US; checked ).
- McDonald's: World Famous Fries® (large) (US; checked ).
- U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels.
- Walking time: the method of our walking calorie calculator (2024 Adult Compendium of Physical Activities; CADENCE-Adults for steps).
KaloCam isn't affiliated with McDonald's. Brand names are trademarks of their owners. US menu data from McDonald's's official nutrition information, checked Oct 21, 2026; recipes and portions vary by location and change over time.
Prepared by the KaloCam team · Updated