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Last updated: Aug 9, 2026

Farmer Boys

Colossal Onion Rings

Farm Fresh SidesPopular

Farmer Boys Colossal Onion Rings is fat-leaning, with about 54% of macro calories from fat. Each serving has 520 calories, 7g protein, 52g carbs, and 31g fat, making it better suited to carb-aware planning than low-carb goals.

4 pieces

Serving Size

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520

Calories

Per serving

7 g

Protein

52 g

Carbs

31 g

Fat

Nutrition Facts

Amount per serving

Calories520 kcal

% Daily Value*

Total Fat 31 g40%

Saturated Fat 6 g30%

Trans Fat 1 g—

Cholesterol 10 mg3%

Sodium 75 mg3%

Total Carbohydrate 52 g19%

Dietary Fiber 3 g11%

Total Sugars 11 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

520

kcal

Protein7 g (5%)

Carbs52 g (40%)

Fat31 g (54%)

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 index4.5/10

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

Activity estimate130 min walk

About 52 minutes of running for these calories.

Key Nutrients

Protein 7 g14%

Fiber 3 g11%

Sodium 75 mg3%

Sugars 11 g—

Saturated Fat 6 g30%

How we calculate these values

Diet Compatibility

High protein1.3/10 protein density from 7g protein and 520 calories.No

Lower carb52g carbs per serving.No

Low fat31g total fat per serving.No

High sugar11g total sugars per serving.No

High sodium75mg 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

Colossal Onion Rings has 1225 fewer calories than 1/2 lb Parmesan-Crusted Sourdough Cheeseburger and 108g less protein. Compare

Colossal Onion Rings has 807 fewer calories than 1/4 lb Parmesan-Crusted Sourdough Cheeseburger and 68g less protein. Compare

1/2 lb Parmesan-Crusted Sourdough Cheeseburger1,745 kcal · 115 g protein1/4 lb Parmesan-Crusted Sourdough Cheeseburger1,327 kcal · 75 g protein2-Egg Breakfast Sandwich (no meat)650 kcal · 22 g protein2-Egg Breakfast Sandwich with Bacon750 kcal · 27 g protein2-Egg Breakfast Sandwich with Ham710 kcal · 31 g protein2-Egg Breakfast Sandwich with Sausage870 kcal · 29 g protein

Compare with 1/2 lb Parmesan-Crusted Sourdough Cheeseburger

Colossal Onion Rings Compared With Nearby Items

Farmer Boys Colossal Onion Rings is listed in the Farm Fresh Sides category with 520 calories, 7g protein, 52g carbs, and 31g fat per serving.

Data Source and Methodology

Nutrition values for Colossal 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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