Burger King

Onion Rings (Medium) Calories & Nutrition — Burger King

Burger King Onion Rings (Medium): 410 cal, 5g protein, 50g carbs, 21g fat per medium. Full nutrition breakdown, lighter ordering swaps, and the fastest way to track it.

By Bento Bunny Team

The Onion Rings (Medium) at Burger King (medium) contains 410 calories, with 5g of protein, 50g of carbs, and 21g of fat. Below is the full nutrition breakdown, how it compares to other sides on the menu, and the fastest way to log it.

Where the calories come from

Splitting the 410 calories by macro: 5% from protein, 49% from carbs, and 46% from fat. In the Onion Rings (Medium), carbohydrates dominate at roughly 49% of calories (50g). If you're tracking carbs specifically — low-carb or pre-training fueling — this is the number to watch.

Other sides at Burger King

ItemCaloriesProteinCarbsFat
Onion Rings (Medium)4105g50g21g
French Fries (Medium)3804g53g17g
Mozzarella Sticks (4 pc)28013g24g14g
Garden Side Salad704g6g4g

Tracking Burger King in Bento Bunny

Burger King's nutrition page lists the standard build — but extra sauce, a swapped bun, or a larger drink can shift the real total by hundreds of calories, and a database entry won't know what you actually ordered. With Bento Bunny's AI photo tracking, you snap one picture of your onion rings (medium) as it arrives and the app estimates the portion and customizations in front of you, with the AI running on-device on iOS 26+.

Start tracking with Bento Bunny

AI calorie tracking — just Type what you eat.

Frequently Asked Questions

How many calories are in the Burger King Onion Rings (Medium)?
The Onion Rings (Medium) at Burger King contains 410 calories (medium), made up of 5g of protein, 50g of carbohydrates, and 21g of fat.
How much protein is in the Onion Rings (Medium)?
The Onion Rings (Medium) provides 5g of protein, which is roughly 10% of the FDA daily value of 50g.
Is the Onion Rings (Medium) healthy? How does it fit a 2,000-calorie day?
At 410 calories, the Onion Rings (Medium) takes up about 21% of a 2,000-calorie day. Whether it "fits" depends on the rest of your day: the macro split is 5g protein / 50g carbs / 21g fat, so plan the surrounding meals around whichever number is hardest for you to hit.
What's the easiest way to track the Onion Rings (Medium)?
Photo-based logging is the fastest path — Bento Bunny recognises your Onion Rings (Medium) from a single picture, including customizations the standard database entry misses, and adds the macros to your day automatically.