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Last updated: Aug 9, 2026

Black Angus Steakhouse

Flat Iron Steak

Dinner SteaksPopular

Black Angus Steakhouse Flat Iron Steak is fat-leaning, with about 70% of macro calories from fat. Each serving has 530 calories, 38g protein, 1g carbs, and 41g fat, making it a stronger fit for high-protein restaurant planning.

1 serving

Serving Size

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530

Calories

Per serving

38 g

Protein

1 g

Carbs

41 g

Fat

Nutrition Facts

Amount per serving

Calories530 kcal

% Daily Value*

Total Fat 41 g53%

Saturated Fat 13 g65%

Trans Fat 1 g—

Cholesterol 135 mg45%

Sodium 590 mg26%

Total Carbohydrate 1 g0%

Dietary Fiber 0 g0%

Total Sugars 0 g—

Protein 38 g76%

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

530

kcal

Protein38 g (29%)

Carbs1 g (1%)

Fat41 g (70%)

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

Meal Planning Insights

Protein density7.2/10

29% of macro calories come from protein.

Satiety index10/10

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

Activity estimate133 min walk

About 53 minutes of running for these calories.

Key Nutrients

Protein 38 g76%

Fiber 0 g0%

Sodium 590 mg26%

Sugars 0 g—

Saturated Fat 13 g65%

How we calculate these values

Diet Compatibility

High protein7.2/10 protein density from 38g protein and 530 calories.Yes

Lower carb1g carbs per serving.Yes

Low fat41g total fat per serving.No

High sugar0g total sugars per serving.No

High sodium590mg sodium per serving.No

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

Similar Items in Dinner Steaks

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18 oz Bone-In Ribeye1,030 kcal · 72 g protein

Compare with other items

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

Quick comparisons

Flat Iron Steak has 1320 fewer calories than 1 Pound Cut Prime Rib and 61g less protein. Compare

Flat Iron Steak has 2240 fewer calories than 1.5 Pound Cut - Cowboy Cut Prime Rib and 110g less protein. Compare

1 Pound Cut Prime Rib1,850 kcal · 99 g protein1.5 Pound Cut - Cowboy Cut Prime Rib2,770 kcal · 148 g protein1/2 Chicken Sandwich w/Fries820 kcal · 32 g protein1/2 French Dip w/Fries840 kcal · 36.5 g protein1/2 Meatloaf Sandwich w/Fries825 kcal · 21.5 g protein1/2 Pound Cut Prime Rib930 kcal · 49 g protein

Compare with 1 Pound Cut Prime Rib

Flat Iron Steak Compared With Nearby Items

Compared with 18 oz Bone-In Ribeye, another Dinner Steaks item at Black Angus Steakhouse, Flat Iron Steak has 500 fewer calories than it and 34g less 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 Flat Iron Steak 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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