Burger King Diet Coke Price, Nutrition and Allergens 2025

Try a crisp and refreshing no-calorie Diet Coke®.

© 2018 The Coca-Cola Company. “Diet Coke” is a registered trademark of The Coca-Cola Company.

BK’s soft drink

This is one of the best soft drinks at an affordable price at Burger King.

Price – $3.49 | Cal – 0

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What Is the Burger King Diet Coke?

Burger King’s Diet Coke® is a crisp, refreshing, and calorie-free soft drink that complements any meal. Perfect for those looking to enjoy the classic taste of Coca-Cola without the sugar or calories, this beverage is served ice-cold and can be customized to your liking. Whether you’re watching your calorie intake or simply love the fizzy kick of a zero-calorie soda, Diet Coke is a top-tier beverage choice at Burger King.

© 2018 The Coca-Cola Company. “Diet Coke” is a registered trademark of The Coca-Cola Company.

Burger King Diet Coke Price and Calories

Size	Price	Calories
Regular (R – 16 oz)	$1.99	0
Small (S – 20 oz)	$2.99	0
Medium (M – 32 oz)	$3.29	0
Large (L – 40 oz)	$3.59	0

Nutrition Facts

Nutrient	Amount
Calories	0 Cal
Fat	0 g
Saturated Fat	0 g
Trans Fat	0 g
Cholesterol	0 mg
Sodium	85 mg
Carbohydrates	0 g
Fiber	0 g
Sugar	0 g
Protein	0 g

Allergen Information

Allergen	Presence
Common Allergens	None

Ingredients Breakdown

Carbonated Water – The fizzy base of the beverage
Caramel Color – Adds the recognizable dark hue
Phosphoric Acid – Enhances tartness and balance
Sodium Saccharin – Artificial sweetener providing sweetness without calories
Potassium Benzoate – Preserves flavor and freshness
Natural Flavors – Adds distinctive Diet Coke taste
Citric Acid – Provides acidity
Caffeine – Offers a light energy boost
Potassium Citrate – Balances acidity and flavor

This combination makes Diet Coke a calorie-free, flavorful drink perfect for anyone avoiding sugar.

How to Order the Burger King Diet Coke (Secret Menu Tips)

Enhance your Diet Coke experience with these customization ideas:

Ask for no ice to maximize drink volume
Add cherry or vanilla flavor shots (+$0.50) for a unique twist
Try it frozen for a slushy-style refreshment
Combine with your favorite BK combo to complete your meal

These tweaks can turn a basic Diet Coke into a refreshing, flavorful signature drink.

Can You Customize the Burger King Diet Coke?

Yes! Burger King offers several ways to tailor your Diet Coke:

Choose ice level: No ice, light ice, or regular
Upgrade the size: Small, Medium, or Large
Add flavor shots like vanilla or cherry
Try a frozen version for a frosty treat

These options make it easy to personalize your Diet Coke to your taste.

Best Toppings for a Burger King Diet Coke Experience

Diet Coke doesn’t come with traditional toppings, but you can enhance it with:

Vanilla Flavor Shot (+25 cal)
Cherry Flavor Shot (+30 cal)
Frozen Version (+20 cal)
Extra flavor shots for a double twist
Larger cup size (+$0.20) for thirstier occasions

These small upgrades offer a custom drink experience without the calories.

When Is It Available?

Burger King Diet Coke is available all day, every day at participating locations. You can order it:

In-store
Through the drive-thru
On the Burger King app
Via delivery platforms like DoorDash, Grubhub, and Uber Eats

Is It Vegetarian?

Yes! Diet Coke is 100% vegetarian and vegan-friendly, containing no animal-derived ingredients.

Best Pairs with Other Burger King Menu Items

Menu Item	Price	Calories
Whopper	$6.49	657
Spicy Chicken Jr.	$2.49	386
Chicken Philly Royal Crispy Wrap	$7.29	620
Mozzarella Sticks (4 pc)	$2.49	330
Onion Rings (Small)	$1.99	320
Chicken Nuggets (4 pc)	$1.49	170
Honey Mustard Royal Crispy Wrap	$7.09	570
Hershey’s Sundae Pie	$2.49	310
Classic Fries (Medium)	$3.89	370

FAQs About Burger King Diet Coke

Does Diet Coke contain caffeine?

Yes, it contains caffeine, which contributes to its refreshing kick and mild energy boost.

Can I customize my Diet Coke at Burger King?

Absolutely! You can modify ice level, size, and add flavor shots to create your own version.

Is there a day when Diet Coke is cheaper?

No set day, but Royal Perks members may receive exclusive drink promotions and discounts.

Can I get Diet Coke in a combo meal?

Yes, Diet Coke is a standard soft drink option available with most Burger King combo meals.

How many calories are in Burger King Diet Coke?

It contains zero calories, making it a perfect diet-friendly beverage.

Is Diet Coke gluten-free?

Yes, Diet Coke is gluten-free and safe for those avoiding wheat or gluten products.

Is there a frozen version of Diet Coke?

Yes, some locations offer Frozen Diet Coke, which has about 20 calories per serving.

Can I refill Diet Coke if I’m dining in?

Yes, unlimited refills are available for dine-in customers at participating Burger King locations.

Are flavor shots available in all locations?

Availability may vary, but many Burger Kings offer vanilla and cherry flavor shots.

Is Diet Coke vegan?

Yes, Diet Coke is vegan-friendly, containing no animal-derived ingredients.

Can I get Diet Coke delivered with my order?

Yes, it is available via Burger King delivery partners and the BK app.

Is Diet Coke part of a value menu?

While not usually on a value menu, the $1.99 regular size offers a budget-friendly option.

Does Diet Coke taste like regular Coke?

It has a lighter, slightly different flavor profile compared to regular Coke, with no sugar and zero calories.

Can I buy it without ice?

Yes! You can request no ice for a fuller drink.

Conclusion

The Burger King Diet Coke is a refreshing, zero-calorie beverage that delivers big on flavor without the guilt. Whether you’re watching your sugar intake or just love the fizzy satisfaction of a classic soda, this drink fits the bill. With multiple customization options, no allergens, and perfect pairings across the menu, it’s a smart and tasty addition to any BK order.