NutrimetryRestaurant nutrition made simple.

☰

Last updated: Aug 12, 2026

White Castle

Onion Rings, Small

SidesPopular

White Castle Onion Rings, Small is fat-leaning, with about 62% of macro calories from fat. Each serving has 480 calories, 6g protein, 40g carbs, and 33g fat, making it worth balancing with lower-fat items in the same meal.

1 serving (141g)

Serving Size

141 g

Serving Weight

Add to Meal Ask AI about this item

480

Calories

Per serving

6 g

Protein

40 g

Carbs

33 g

Fat

Nutrition Facts

Amount per serving

Calories480 kcal

% Daily Value*

Total Fat 33 g42%

Saturated Fat 5 g25%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 580 mg25%

Total Carbohydrate 40 g15%

Dietary Fiber 2 g7%

Total Sugars 7 g—

Protein 6 g12%

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

480

kcal

Protein6 g (5%)

Carbs40 g (33%)

Fat33 g (62%)

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 index3.4/10

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

Activity estimate120 min walk

About 48 minutes of running for these calories.

Key Nutrients

Protein 6 g12%

Fiber 2 g7%

Sodium 580 mg25%

Sugars 7 g—

Saturated Fat 5 g25%

How we calculate these values

Diet Compatibility

High protein1.3/10 protein density from 6g protein and 480 calories.No

Lower carb40g carbs per serving.No

Low fat33g total fat per serving.No

High sugar7g total sugars per serving.No

High sodium580mg 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, Small has 380 more calories than 100% Apple Juice Box and 6g more protein. Compare

Onion Rings, Small has 230 more calories than 1921 Slider with American Cheese, Lettuce & Tomato and 8g less protein. Compare

100% Apple Juice Box100 kcal · 0 g protein1921 Slider with American Cheese, Lettuce & Tomato250 kcal · 14 g protein1921 Slider with Jalapeno Cheese, Lettuce & Tomato250 kcal · 14 g protein1921 Slider with Smoked Cheddar, Lettuce & Tomato250 kcal · 14 g proteinBBQ Sauce Packets15 kcal · 0 g proteinBBQ Sauce Tubs40 kcal · 0 g protein

Compare with 100% Apple Juice Box

Onion Rings, Small Compared With Nearby Items

White Castle Onion Rings, Small is listed in the Sides category with 480 calories, 6g protein, 40g carbs, and 33g fat per serving.

Data Source and Methodology

Nutrition values for Onion Rings, Small are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 12, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

Ask AI about this item

Get personalized nutrition advice and meal ideas.

Is this good for muscle gain?Can I eat this while cutting?

Ask AIAsk Nutrimetry AI