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Last updated: Aug 9, 2026

Fatburger

Onion Rings

SidesPopular

Fatburger Onion Rings is fat-leaning, with about 48% of macro calories from fat. Each serving has 540 calories, 7g protein, 64g carbs, and 29g fat, making it better suited to carb-aware planning than low-carb goals.

1 Serving

Serving Size

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540

Calories

Per serving

7 g

Protein

64 g

Carbs

29 g

Fat

Nutrition Facts

Amount per serving

Calories540 kcal

% Daily Value*

Total Fat 29 g37%

Saturated Fat 6 g30%

Trans Fat 0 g—

Cholesterol 5 mg2%

Sodium 490 mg21%

Total Carbohydrate 64 g23%

Dietary Fiber 4 g14%

Total Sugars 10 g—

Protein 7 g14%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

540

kcal

Protein7 g (5%)

Carbs64 g (47%)

Fat29 g (48%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density1.3/10

5% of macro calories come from protein.

Satiety index5.2/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate135 min walk

About 54 minutes of running for these calories.

Key Nutrients

Protein 7 g14%

Fiber 4 g14%

Sodium 490 mg21%

Sugars 10 g—

Saturated Fat 6 g30%

How we calculate these values

Diet Compatibility

High protein1.3/10 protein density from 7g protein and 540 calories.No

Lower carb64g carbs per serving.No

Low fat29g total fat per serving.No

High sugar10g total sugars per serving.No

High sodium490mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Onion Rings has 480 more calories than 1 Bone In Wing and 6g less protein. Compare

Onion Rings has 490 more calories than 1 Boneless Wing and 1g more protein. Compare

1 Bone In Wing60 kcal · 13 g protein1 Boneless Wing50 kcal · 6 g protein1 Chicken Tender110 kcal · 13 g protein10 Bone In Wings1,009 kcal · 72.3 g protein10 Boneless Wings909 kcal · 62.3 g protein100 Bone In Wings10,040 kcal · 723 g protein

Compare with 1 Bone In Wing

Onion Rings Compared With Nearby Items

Fatburger Onion Rings is listed in the Sides category with 540 calories, 7g protein, 64g carbs, and 29g fat per serving.

Data Source and Methodology

Nutrition values for Onion Rings are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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