Calories in 12 Oz of Flank Steak
12 oz of flank steak (340 g) has 660 calories. That is 33% of a 2,000 calorie diet.
The calories come from 95 g of protein, 28 g of fat and 0 g of carbohydrates, a split of 60% protein, 40% fat and 0% carbs. For comparison, 8 oz of flank steak has 440 and 16 oz of flank steak has 880 calories. Burning 660 calories takes about 118 minutes of brisk walking or 53 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
Flank Steak Calorie Calculator
Your meal
Add portions from any food page to build a meal total. It stays in this browser.
Flank Steak calories by serving size
Common amounts of flank steak with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 100g | 100 g | 194 | 28 g | 8.3 g | 0 g |
| 200g | 200 g | 388 | 56 g | 17 g | 0 g |
| 12 oz | 340 g | 660 | 95 g | 28 g | 0 g |
| 1 flank steak | 387 g | 751 | 108 g | 32 g | 0 g |
| 2 flank steaks | 774 g | 1502 | 215 g | 64 g | 0 g |
Flank Steak vs similar foods
Calories per 100 g compared with other meat.
Flank Steak: common questions
How many calories are in 12 oz of flank steak?
12 oz of flank steak weighs about 340 g and has 660 calories.
How much protein is in 12 oz of flank steak?
12 oz of flank steak has 95 g of protein, which is 189% of the 50 g Daily Value.
How many carbs are in 12 oz of flank steak?
12 oz of flank steak has 0 g of carbohydrates, including 0 g of fiber and 0 g of sugars.
How much flank steak is 100 calories?
100 calories of flank steak is 52 g, about 1/4 flank steak.
More about flank steak
Amount for a target
Weights and conversions
Source: USDA FoodData Central, SR Legacy. FDC ID 168611. Original description: Beef, flank, steak, separable lean only, trimmed to 0" fat, choice, cooked, broiled. Portion weights are USDA household measures.