Question

An average small hamburger has 280 cal. This hamburger has 10 g of fat, 25 g of carbohydrates and 18 g of proteins and other micronutrients. Calculate the percentage of calories from fat, carbohydrate and protein

• A. 32% of calories from fat, 35.8% of calories from carbohydrate and 25.8% of calories from protein
• B. 35.8% of calories from fat, 32% of calories from carbohydrate and 25.8% of calories from protein
• C. 90 calories from fat, 100 calories from carbohydrate and 72 calories from protein
• D. 100 calories from fat, 72 calories from carbohydrate and 72 calories from protein

Answer 1

The correct option is A 32% of calories from fat, 35.8% of calories from carbohydrate and 25.8% of calories from protein

The caloric content chart shows
Fat: 1 gram = 9 Calories
Protein: 1 gram = 4 Calories
Carbohydrates: 1 gram = 4 Calories
To calculate the percentage of calories :

1. Multiple each macronutrient by the number of calories per gram:

Fat 10gms*9 calories/gm= 90 calories,

Protein- 18gms*4 calories/gm= 72 calories

Carbohyrates= 25 gm*4 calories/gm= 100 calories

2. Add all the calories of macronutrients= 90+72+100= 262 calories

3. Divide each calorie from total number of calories in the diet

Fat= 90/280= 0.32 or 32%,

Proteins- 72/280 -0.258 or 25.8%,

Carb-100/280- 35.8%