How Many Calories in BK Fries?

A Medium of BK Fries (110) has roughly 339 kcal. Most of that energy comes from the potato and the oil used for frying. The figures are approximate and shift with portion size.

Medium (110 g)339 kcal

Last updated: July 18, 2026

Nutrition Facts

BK Fries nutrition facts

Nutrient100 gMedium (110 g)
Calories308 kcal339 kcal
Carbs42.7 g47 g
Protein3.6 g4 g
Fat13.6 g15 g
Fiber3.5 g3.9 g

Values are approximate, based on average recipes; they vary with ingredients, portion size and cooking method.

Activity equivalent

The energy in one serving of BK Fries (110 g, 339 kcal) is roughly equivalent to:

≈ 9,300steps (walking) ≈ 68 minbrisk walking ≈ 35 minrunning

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.

BK Fries is a side of crispy fried potatoes cut into thin strips and cooked until golden. It is a common companion to burgers and other mains, and the exact numbers depend on how large the portion is.

Per 100 g, BK Fries has about 308 kcal, with 3.6 g protein, 42.7 g carbs, 13.6 g fat and 3.5 g fiber. A single Medium of 110 works out to around 339 kcal.

Calories in BK Fries

A standard Medium of BK Fries weighs about 110 and provides roughly 339 kcal. The number moves up or down with the size you order, so a smaller portion sits below that and a larger one climbs above it. If you want a precise figure, weigh or measure the portion instead of estimating. All values here are approximate.

Macros and portion notes

Each serving carries about 47 g carbs, 15 g fat and 4 g protein, so most of the calories come from the potato and the frying oil. Per 100 g, the fiber is about 3.5 g. Logging the exact size you order keeps your daily total accurate, and pairing the fries with a lean protein rounds out the plate.

FAQ

Frequently asked questions

How many calories are in BK Fries?

A Medium of BK Fries (110) has approximately 339 kcal. Per 100 g that is about 308 kcal. Treat the numbers as approximate, since fry time and portion size change the result.

How much protein and carbs does BK Fries have?

One Medium has around 4 g protein, 47 g carbs and 15 g fat. Per 100 g the fiber is about 3.5 g. Fries are mainly a carb and fat side rather than a protein source.

What is the serving size of BK Fries?

The Medium used here weighs about 110 and comes to roughly 339 kcal. If you order a different size, the calories scale with it, so measure or weigh your own portion when you want an exact figure to log.

How much of a daily calorie intake does BK Fries provide?

One serving of BK Fries (110 g) has about 339 kcal — roughly 17% of an average 2,000-calorie daily intake.

What is the macronutrient breakdown of BK Fries?

In 100 g of BK Fries, the energy split is roughly 55% carbs, 5% protein and 40% fat.

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