Carl's Jr. · Sides
Onion RingsCarl's Jr. calories & macros
A Carl's Jr. Onion Rings has 340 calories (1,423 kJ), with 6.0 g protein, 19.0 g fat and 34.0 g carbs per serve. That is about 16% of the 8,700 kJ daily intake used on Australian food labels.
D1.8 g protein per 100 kcal - poor protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Carl's Jr. items
Full nutrition
| Per serve | Amount |
|---|---|
| Energy | 1,423 kJ (340 kcal) |
| Protein | 6.0 g |
| Fat, total | 19.0 g |
| - saturated | 1.5 g |
| Carbohydrate | 34.0 g |
| - sugars | 4.0 g |
| Sodium | 540 mg |
As published by Carl's Jr..
How it compares with other Carl's Jr. sides
Of the 5 sides on the Carl's Jr. menu, Onion Rings ranks 3rd of 5 for protein and is the 2nd lowest in calories. The category average is 412 kcal, so this one is below average by 72 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Natural Cut Fries (3 options) | 280 | 1,172 | 4.0 | 12.0 | 37.0 |
| Onion Rings | 340 | 1,423 | 6.0 | 19.0 | 34.0 |
| Jalapeno Poppers | 350 | 1,464 | 13.0 | 18.0 | 32.0 |
| Waffle Fries | 360 | 1,506 | 5.0 | 18.0 | 40.0 |
| Chili Cheese Fries | 730 | 3,054 | 23.0 | 36.0 | 74.0 |
Sorted by calories, showing the items either side of this one. See every Carl's Jr. sides item.
Quick answers
How many calories are in a Carl's Jr. Onion Rings?
A Carl's Jr. Onion Rings has 340 calories, which is 1,423 kilojoules, per serve as sold in Australia.
How much protein is in Carl's Jr.'s Onion Rings?
6.0 g of protein, which works out to 1.8 g per 100 kcal - rated D (poor) for protein density on Macro Menu.
How many kJ is that?
1,423 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 1,423 kJ is roughly 16% of an 8,700 kJ day.
Is it a lower-calorie choice at Carl's Jr.?
Within Carl's Jr. sides it is the 2nd lowest of 5. The lowest-calorie option in that category is Natural Cut Fries at 280 kcal, and the highest-protein is Chili Cheese Fries with 23.0 g.
Compare it with
The closest sides by calories, at the other chains and on this menu.
More Carl's Jr. sides
Jalapeno Poppers350 kcal · 13.0 g protein
Waffle Fries360 kcal · 5.0 g protein
Natural Cut Fries280 kcal · 4.0 g protein
Chili Cheese Fries730 kcal · 23.0 g proteinCarl's Jr. full menuHighest protein at Carl's Jr.Lowest calorie at Carl's Jr.Other restaurants
Source: Carl's Jr's own nutrition guide, with the live menu taken from the My Carl's app API (carlsjr.redcatcloud.com.au), per serve as sold. Last checked against the live menu on 8 September 2026. Every source.