How Many Calories in McDonald's Fries?
McDonald's Fries are classic thin-cut, salted fried potatoes. A 97 serving has roughly 310 kcal, with about 4.1 g protein, 44.1 g carbs, and 13.6 g fat. These values are approximate and shift with the portion size you actually order.
McDonald's Fries nutrition facts
| Nutrient | 100 g | Medium (97 g) |
|---|---|---|
| Calories | 320 kcal | 310 kcal |
| Carbs | 45.5 g | 44.1 g |
| Protein | 4.2 g | 4.1 g |
| Fat | 14 g | 13.6 g |
| Fiber | 2.8 g | 2.7 g |
Calories by portion
| Portion | Amount | Calories |
|---|---|---|
| Medium | 97 g | 310 kcal |
| Small | 75 g | 240 kcal |
| Large | 136 g | 435 kcal |
| Super size | 160 g | 512 kcal |
Values are approximate, based on average recipes; they vary with ingredients, portion size and cooking method.
Activity equivalent
The energy in one serving of McDonald's Fries (97 g, 310 kcal) is roughly equivalent to:
Based on a 70 kg reference; it varies from person to person. See activity calories →
For informational purposes only — not medical advice. If you have symptoms or a medical condition, consult a doctor.
McDonald's Fries are thin, salted potatoes fried until crisp, one of the most familiar sides on the menu. A standard 97 serving comes in at roughly 310 kcal, though the exact figure depends on the size you order and how full the container is.
Per 100 g the fries land at about 320 kcal, with roughly 4.2 g protein, 45.5 g carbs, 14 g fat, and 2.8 g fiber. All numbers here are approximate and are best treated as a guide rather than an exact count.
Calories and macros in a serving
A 97 portion of McDonald's Fries carries about 310 kcal, split across roughly 4.1 g protein, 44.1 g carbs, and 13.6 g fat. Carbs and fat make up most of that total, which is typical for fried potatoes. Because portion sizes vary, treat these figures as approximate and check the size you actually receive.
How portion size changes the numbers
Fries are easy to underestimate, since a larger container can hold noticeably more than a standard 97 serving. If you order a bigger size or share a portion, scale the 310 kcal figure up or down to match what you eat. Measuring or weighing the portion is the simplest way to keep the calorie total accurate.
Frequently asked questions
How many calories are in McDonald's Fries?
A 97 portion of McDonald's Fries has approximately 310 kcal. Per 100 g that works out to around 320 kcal, so the total depends on which size you pick and how full the container is.
How much protein, carbs, and fat do the fries have?
A 97 serving provides roughly 4.1 g protein, 44.1 g carbs, and 13.6 g fat. Per 100 g that is about 4.2 g protein, 45.5 g carbs, 14 g fat, and 2.8 g fiber, all approximate.
Does the size I order change the calorie total?
Yes. A 97 portion of McDonald's Fries is roughly 310 kcal, but a larger container holds more, so the total rises with the size. Logging the exact portion you order keeps the figure accurate.
How much of a daily calorie intake does McDonald's Fries provide?
One serving of McDonald's Fries (97 g) has about 310 kcal — roughly 16% of an average 2,000-calorie daily intake.
What is the macronutrient breakdown of McDonald's Fries?
In 100 g of McDonald's Fries, the energy split is roughly 56% carbs, 5% protein and 39% fat.
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