Nutrition referenceFlank steak is a lean, flavorful cut of beef from the abdominal muscles. Per 100 g it provides about 164 calories with 20.1 g protein.
Nutrition facts
2646175 · Foundation Foods April 2026; 2023-10-26
169433 · SR Legacy April 2018; 2019-04-01
168609 · SR Legacy April 2018; 2019-04-01
About this food
Flank steak is a lean, flavorful cut of beef from the abdominal muscles. It has a coarse grain and is best cooked quickly over high heat and sliced thinly against the grain.
Nutritionally, flank steak is high in protein and relatively low in fat. Per 100 g of raw flank steak provides about 164 kcal, 20.1 g of protein, and 9.4 g of fat.
Flank steak is a leaner cut of beef. Use the serving sizes below to estimate portions when logging.
Plan your portion
Nutrition values are reported per 100 g of raw flank steak. A typical 4 oz portion (about 113 g) provides roughly 185 kcal. Use the serving sizes below to estimate portions when logging.
| Serving | Weight | Calories | Carbs | Protein | Fat |
|---|---|---|---|---|---|
| 100 g | 100 g | 163.9 kcal | 0 g | 20.1 g | 9.4 g |
| 4 oz | 113 g | 185.2 kcal | 0 g | 22.7 g | 10.6 g |
| 8 oz | 227 g | 372.1 kcal | 0 g | 45.7 g | 21.3 g |
Use the weight of the edible portion in the food state shown above.
Questions and answers
Flank steak provides about 164 calories per 100 g. A typical 4 oz portion (about 113 g) provides roughly 185 calories.
Yes. Flank steak provides about 20.1 g of protein per 100 g.
Yes. Flank steak provides about 9.4 g of fat per 100 g, making it a leaner cut of beef.
