Roast beef vs Flank steak: Which Has More Calories?
Per 100 g, Roast beef has 170 kcal and Flank steak has 192 kcal, so Roast beef has 11% fewer calories.
Flank steak has more fat (8.23 g vs 5.92 g). Relative to calories, Roast beef is the better protein source (17.1 g vs 14.4 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
Roast Beef vs Flank Steak 100g Compare
| per 100g | Roast beef | Flank steak |
|---|---|---|
| Calories | 170 | 192 |
| Fat | 5.92 g | 8.23 g |
| Protein | 29.12 g | 27.66 g |
| Water | 63.93 g | 64.17 g |
| Calcium | 5 mg | 20 mg |
| Iron | 2.75 mg | 1.74 mg |
| Magnessium | 27 mg | 23 mg |
| Potassium | 377 mg | 339 mg |
| Sodium | 57 mg | 56 mg |
| Vitaminium B1 (Thiamine) | 0.068 mg | 0.075 mg |
| Vitaminium B2 (riboflavin) | 0.194 mg | 0.133 mg |
| Vitaminium B3 (Niacin) | 5.882 mg | 7.363 mg |
| Vitaminium B6 | 0.584 mg | 0.579 mg |
| Vitaminium B9 (Folic acid) | 0.007 µg | 0.009 µg |
| Vitaminium K | 0.002 µg | 0.001 µg |
Less Calories in Roast beef
At first glance, you can see that in roast beef is less calories than in flank steak.
Roast beef has 170 kcal per 100g and flank steak 192 kcal per 100g so it is pretty easy to calculate that the difference is about 13%.
In roast beef and in flank steak most calories came from protein.
See tables below to compare roast beef with flank steak in details.
Roast beef 100g
170kcalCalories source
- 0% CARBS.
- 69% PROTEIN
- 31% FAT
Flank steak 100g
192kcalCalories source
- 0% CARBS
- 60% PROTEIN
- 40% FAT
Compares of roast beef
Compares of flank steak
About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.