French fries: calories and nutrition facts
Calories in french fries per 100 g and per typical portion, from the MacroLab food catalog.
312kcal per 100 g
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To burn these 312 calories:
- 73minWalking (5 km/h)
- 31minRunning (8 km/h)
- 37minCycling (16–19 km/h)
- 42minSwimming
Times use the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Calories per portion
Common portions from the MacroLab catalog, next to the 100 g reference.
| Portion | kcal |
|---|---|
| 100 g | 312 |
| 1 medium serving (150 g) | 468 |
| 1 large serving (250 g) | 780 |
| 1 bowl (250 g) | 780 |
Can french fries make you gain weight?
At 312 kcal per 100 g, this is a food with medium energy density: about 32 g gives 100 kcal.
One medium serving (150 g) has 468 kcal; the portion size decides how it fits your daily target.
No single food makes you gain weight. What matters is your total calories over days and weeks compared with what you burn.
French fries vs other foods in “Dishes”
It has 19% more calories than the average food in “Dishes” (263 kcal per 100 g).
| Per 100 g | This food | Group average |
|---|---|---|
| Energy | 312 kcal | 263 kcal |
Related foods
Frequently asked questions
- How many calories are in 100 g of french fries?
- 100 g has 312 kcal. That means about 32 g for every 100 kcal.
- How many calories are in one medium serving of french fries?
- One medium serving (150 g) has 468 kcal.
Log french fries with a photo in MacroLab
Snap your plate and MacroLab estimates calories and macros, then keeps your daily targets up to date.
Data from the MacroLab food catalog, updated September 26, 2026. Values vary by variety and brand; check the label of the product you buy.