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Last updated: Aug 12, 2026

Thundercloud Subs

Roast Beef, Large

Classic SubsPopular

Thundercloud Subs Roast Beef, Large is carb-leaning, with about 48% of macro calories from carb. Each serving has 380 calories, 32g protein, 42g carbs, and 6g fat, making it a stronger fit for high-protein restaurant planning.

1 serving

Serving Size

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380

Calories

Per serving

32 g

Protein

42 g

Carbs

6 g

Fat

Nutrition Facts

Amount per serving

Calories380 kcal

% Daily Value*

Total Fat 6 g8%

Saturated Fat 1 g5%

Trans Fat 0 g—

Cholesterol 61 mg20%

Sodium 913 mg40%

Total Carbohydrate 42 g15%

Dietary Fiber 0 g0%

Total Sugars 0 g—

Protein 32 g64%

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

380

kcal

Protein32 g (37%)

Carbs42 g (48%)

Fat6 g (15%)

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

Meal Planning Insights

Protein density8.4/10

37% of macro calories come from protein.

Satiety index10/10

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

Activity estimate95 min walk

About 38 minutes of running for these calories.

Key Nutrients

Protein 32 g64%

Fiber 0 g0%

Sodium 913 mg40%

Sugars 0 g—

Saturated Fat 1 g5%

How we calculate these values

Diet Compatibility

High protein8.4/10 protein density from 32g protein and 380 calories.Yes

Lower carb42g carbs per serving.No

Low fat6g total fat per serving.No

High sugar0g total sugars per serving.No

High sodium913mg sodium per serving.Yes

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

Similar Items in Classic Subs

View all

American Classic, Large438 kcal · 20 g protein American Classic, Small307 kcal · 13 g protein Avocado, Large391 kcal · 8 g protein Avocado, Small301 kcal · 6 g protein

Compare with other items

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

Quick comparisons

Roast Beef, Large has 335 more calories than American Cheese and 30g more protein. Compare

Roast Beef, Large has 58 fewer calories than American Classic, Large and 12g more protein. Compare

American Cheese45 kcal · 2 g proteinAmerican Classic, Large438 kcal · 20 g proteinAmerican Classic, Small307 kcal · 13 g proteinAustin Club Salad (with Egg & Cheese)462 kcal · 30 g proteinAustin Club, Large662 kcal · 33 g proteinAustin Club, Small487 kcal · 27 g protein

Compare with American Cheese

Roast Beef, Large Compared With Nearby Items

Compared with Avocado, Large, another Classic Subs item at Thundercloud Subs, Roast Beef, Large has 11 fewer calories than it and 24g more protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Roast Beef, Large 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

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