How many calories in 20 french fries?

The number of calories in 20 French fries can vary based on the type of fries and how they are prepared. On average, a standard serving of French fries (about 10-15 fries) contains approximately 150-200 calories. Therefore, 20 French fries could contain around 200-300 calories. For a more precise number, it's best to refer to the specific nutritional information of the fries in question.