💵 Burger King Diet Coke Price & Calories
| Price | Calories |
| $3.49 | 0 |
When you’re craving that bold cola flavor without the sugar, Burger King Diet Coke is the go-to beverage of choice. It’s crisp, refreshing, calorie-free, and perfectly pairs with anything from a Whopper to Chicken Fries.
In the world of fast food, where options can be heavy on sugar and calories, Diet Coke at Burger King offers a refreshing alternative for health-conscious guests. But how does it compare to regular Coca-Cola or other soft drinks on the BK menu?
Ingredients in Burger King Diet Coke
| Ingredient | Description |
|---|---|
| Carbonated Water | Gives the drink its refreshing fizz |
| Caramel Color | Creates the signature brown color |
| Aspartame | Sugar substitute used for sweetness |
| Phosphoric Acid | Adds tartness and flavor complexity |
| Natural Flavors | Coca-Cola’s proprietary blend of flavoring |
| Potassium Benzoate | Preserves freshness and shelf life |
| Caffeine | Adds an energizing lift (~46mg in a medium size) |
💡 Note: While aspartame is FDA-approved, it’s an artificial sweetener and may not be preferred by everyone.
Allergen Information
Diet Coke is free from all major food allergens, making it one of the safest beverage options on the BK menu.
| Allergen | Present |
|---|---|
| Milk | ✘ No |
| Egg | ✘ No |
| Wheat/Gluten | ✘ No |
| Soy | ✘ No |
| Fish/Shellfish | ✘ No |
| Peanuts/Nuts | ✘ No |
| Sesame | ✘ No |
✅ Vegan, gluten-free, and nut-free.
Nutrition Facts for Burger King Diet Coke (Medium)
| Nutrient | Amount |
|---|---|
| Calories | 0 Cal |
| Total Fat | 0g |
| Sodium | 40mg |
| Total Carbohydrates | 0g |
| Sugars | 0g |
| Protein | 0g |
| Caffeine | ~46mg |
It’s a great fit for low-calorie or sugar-controlled diets.
Available Sizes of Diet Coke at Burger King
| Size | Approx. Ounces | Calories | Price Range |
|---|---|---|---|
| Small | ~16 oz | 0 Cal | ~$2.99 |
| Medium | ~21 oz | 0 Cal | ~$3.49 |
| Large | ~30 oz | 0 Cal | ~$3.99 |
🔥 You can upsize or downsize your drink when ordering à la carte or as part of a meal.
Why Choose Diet Coke at Burger King?
Here’s why Burger King Diet Coke continues to be a fan favorite:
- ✅ No sugar, no calories
- ✅ Fountain-fresh flavor
- ✅ Pairs well with any BK item
- ✅ Caffeinated — gives an energy boost
- ✅ Available in all combo meals
It’s the ideal beverage for keto, diabetic, intermittent fasting, or anyone trying to reduce sugar intake.
Diet Coke vs. Other BK Beverages
| Drink | Calories | Caffeine | Sweetener Type | Notes |
|---|---|---|---|---|
| Diet Coke | 0 Cal | ~46mg | Aspartame | Zero sugar, iconic flavor |
| Coca-Cola | 330 Cal | ~34mg | High fructose corn syrup | High sugar content |
| Coca-Cola Zero Sugar | 0 Cal | ~34mg | Aspartame & Acesulfame K | Closer in taste to regular Coke |
| Sprite | 310 Cal | 0mg | HFCS | No caffeine |
| Dr Pepper | 280 Cal | ~41mg | HFCS | Bold, spiced flavor |
| Unsweetened Iced Tea | 0 Cal | ~25mg | None | Caffeine without sweetness |
How to Order Diet Coke at Burger King
You can order Diet Coke through:
- 🏪 In-store (kiosk or counter)
- 🚗 Drive-Thru
- 📲 Burger King App (with Royal Perks rewards)
- 🛵 Delivery platforms like Uber Eats, Grubhub, DoorDash
💡 Most combo meals include a medium Diet Coke by default, but you can easily customize your drink during checkout.
Diet Coke Refill Policy
- 🧍♂️ Dine-in customers: Most locations offer free refills on fountain drinks
- 🚗 Drive-thru and delivery: No refills available
- 📱 Mobile app pickup: One drink per order, no refill unless dining in
Best Menu Pairings with Diet Coke
| BK Menu Item | Why It Pairs Well |
|---|---|
| Whopper | Cuts through richness with carbonation |
| Spicy Royal Crispy Wrap | Balances the heat with refreshment |
| Bacon King | Zero sugar helps lighten the meal |
| Chicken Fries | Great salty snack + fizzy drink |
| Veggie Burger / Impossible Whopper | Keeps it plant-based and sugar-free |
Is Diet Coke Healthy?
While zero-calorie and sugar-free, Diet Coke still contains:
- Artificial sweeteners (aspartame)
- Caffeine
So it’s healthier than sugary sodas, but moderation is key — especially if you’re sensitive to caffeine or artificial sweeteners.
Final Verdict
✔️ If you’re looking for:
- A zero-calorie drink
- Sugar-free refreshment
- Something to balance a high-calorie meal
- A fizzy beverage with classic cola flavor
- A diabetic- or keto-friendly soda
…then the Burger King Diet Coke is the perfect choice.
Burger King Diet Coke FAQs
1. How much is a Diet Coke at Burger King?
The medium size costs around $3.49, depending on your location.
2. Does Burger King have Diet Coke?
Yes — it’s a permanent beverage option at most U.S. locations.
3. How many calories in Diet Coke?
Zero. It’s completely calorie-free.
4. Is Diet Coke caffeine-free?
No — it contains around 46mg of caffeine per medium cup.
5. Is Diet Coke vegan?
Yes, it is vegan and gluten-free.
6. Can I get Diet Coke in a combo meal?
Yes — you can swap it for any other drink in your combo meal.
7. Does Diet Coke have sugar?
No. It’s sweetened with aspartame, a sugar substitute.
8. Is Diet Coke keto-friendly?
Yes — it’s keto, diabetic, and low-carb diet approved.
9. Can I order Diet Coke via delivery?
Yes — it’s available on all major platforms: DoorDash, Uber Eats, Grubhub, etc.
10. Does it taste the same as Coke Zero?
No. Diet Coke has a lighter flavor and different blend of sweeteners.
11. Can I refill Diet Coke at BK?
Only if you’re dining in at a location with self-serve fountains.
12. Does Diet Coke have aspartame?
Yes — that’s what gives it its sweet flavor without sugar.
13. Is Diet Coke safe for diabetics?
Generally, yes — but consult your doctor for individual dietary needs.
14. Can I get Diet Coke in small or large sizes?
Yes — small, medium, and large sizes are usually available.
15. Is Diet Coke offered in bottles at Burger King?
Usually, fountain soda is served, but some locations may offer bottled drinks.
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