McDonald’s World Famous Fries (Medium): Price, Calories and Nutrition (2026)
Ask a hundred people to name the best fast food fries and most of them will say the same thing. McDonald’s fries have been the benchmark since the 1950s: thin, crispy outside, fluffy inside, salted the second they leave the fryer. They are also the side that shows up in nearly every order, which makes their price and calorie count worth knowing cold. Here is the full picture for 2026.
Last updated: September 29, 2026
Medium fries price: from $3.49. Medium fries calories: 320. Prices vary by location, and fries are one of the items where airport and downtown prices climb fastest.
Table of contents
- All fries sizes compared
- What makes them taste that way
- Medium fries nutrition facts
- Allergens
- How to order better fries
- Frequently asked questions
All fries sizes compared
McDonald’s sells fries in four sizes. Here is how they stack up.
| Size | Price (from) | Calories |
|---|---|---|
| Small | $2.79 | 220 |
| Medium | $3.49 | 320 |
| Large | $4.19 | 480 |
| Kids | part of Happy Meal | 110 |
The jump from medium to large is the one to notice: about 70 cents more for 160 extra calories. If you are splitting fries with someone, the large is the better value. If you are eating alone and watching calories, the small at 220 is the smart play.
What makes them taste that way
The flavor comes down to three things: the potato variety, the cooking method, and the salt timing. McDonald’s uses specific potato varieties chosen for low sugar content, which is why the fries brown evenly instead of burning. They are partially fried at the supplier, flash-frozen, then finished in the restaurant fryer. The salt goes on immediately after frying, while the surface oil is still hot enough to make it stick. That is also why fries eaten within five minutes of frying taste dramatically better than fries that have sat for fifteen. This is not nostalgia talking. It is food science.
Medium fries nutrition facts
| Nutrient | Amount per medium fries |
|---|---|
| Calories | 320 |
| Total fat | 15g |
| Saturated fat | 2g |
| Trans fat | 0g |
| Cholesterol | 0mg |
| Sodium | 260mg |
| Total carbohydrates | 43g |
| Dietary fiber | 4g |
| Total sugars | 0g |
| Protein | 5g |
For a fried side, the numbers are reasonable: zero cholesterol, zero sugar, and less sodium than most people expect. The 43 grams of carbs are the main event, which is exactly what you want from a potato.
Allergens
McDonald’s lists milk and wheat as allergens for its fries, which surprises people every time. The wheat comes from the coating ingredients used in processing, and milk derivatives appear in the flavoring. If you have a milk or wheat allergy, the fries are not the safe side you might assume. The dedicated fryer question also matters: fries are cooked in dedicated fryers, but shared oil policies can vary, so ask at your location if cross-contact is a concern.
How to order better fries
- Order them with no salt, then salt them yourself. This forces a fresh batch from the fryer, because the crew has to cook yours separately. It adds a few minutes but the difference is real.
- Ask for them well done or crispy. Most crews will happily leave them in the fryer a little longer.
- In the app, you can add notes to customize. Use them.
- Eat them first. Fries degrade faster than any other menu item. Five minutes is the window.
Frequently asked questions
How much are McDonald’s fries in 2026?
Medium fries start from $3.49. Small starts from $2.79 and large from $4.19. Prices vary by location.
How many calories are in McDonald’s medium fries?
One medium serving has 320 calories.
Are McDonald’s fries vegan?
In the US, no. The fries contain milk derivatives in their flavoring, so they are not vegan. They are vegetarian in the sense that they contain no meat.
Why do McDonald’s fries taste different from homemade?
The potato variety, the two-stage frying process, and the precise salt timing all contribute. The commercial supply chain is engineered for consistency in a way home cooking cannot easily match.
Can you order fries with no salt?
Yes, and it is the best-known trick on the menu: no-salt fries are always cooked fresh to order.
Do McDonald’s fries contain gluten?
They contain wheat derivatives from processing, so they are not gluten free.
ManuBite Team. We track fast food prices and nutrition across the USA so you always know what your meal really costs, in dollars and in calories.
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