Tutorial: Calculate Calories
Nutritional Calculations

How To Calculate Total Calories

 

Carbohydrates, fats, proteins, and alcohol can be broken down to yield energy for the cells' activities.

 

While all four of these compounds/structures will provide energy (calories) to the cells, carbohydrates, fats, and proteins are considered nutrients because they also support life and growth whereas alcohol is considered poison.

 

4 calories per carbohydrate gram, 9 calories per fat gram, 4 calories per fat gram, and 7 calories per alcohol gram math_bwhiteline.jpg math_beverage.jpg

Using the basic information provided above, solve the following question.

 

Question: How many calories are in a beverage which contains the following?

 

Calculate Carbohydrate Calories

 

 

Multiply the carbohydrate grams by 4 calories per gram.

 10 grams times 4 calories = 40 calories

 

Calculate Fat Calories

 

 

Multiply the fat grams by 9 calories per gram.

5 grams times 9 calories = 45 calories

 

Calculate Protein Calories

 

 

Multiply the protein grams by 4 calories per gram.

2 grams times 4 calories = 8 calories

 

Calculate Alcohol Calories

 

 

Multiply the alcohol grams by 7 calories per gram.

5 grams times 7 calories = 35 calories

 

Total Calories

 

 

Add all calories from each calorie source for total calories.

total calories equals 128 calories math_bwhiteline.jpg math_beverage.jpg

 

Answer: There are 128 calories in the beverage.