# EER Calculator

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To live a healthy life, there is a minimum requirement of energy to perform all the key activities. This energy requirement has to be balanced. Estimated Energy Requirement (EER) defines the energy you need to maintain this balance.

The important thing is that this energy requirement is not the same for all individuals. If one person of 25 years has a certain EER, it is not mandatory that another person of the same age would have the same EER. The use of a quality calculator is the best way to determine correct EER values.

## What is EER?

EER (Estimated Energy Requirement) is the intake of diet required by an individual to maintain balance. Certain factors play roles in deciding the EER value. These include gender, height, weight, age, and physical activity.

## EER Formula:

The general EER equation is

$$\textbf{EER = Total Energy Expenditure + Energy Deposition}$$

## How to Calculate EER?

The process of calculating EER is very simple and easy to understand. In the above formula, we can see that the two components involved in the EER formula are Total Energy Expenditure and Energy Deposition.

The value of Total Energy Expenditure varies from one individual to the other on the basis of age, gender, and other factors. It's better to calculate your body fat by body fat calculator before calculating EER.

### EER Example

Calculate the EER of a child who is 2 months old and has a weight of 15 kg.

$$\mathrm{EER_{(kcal/day)}} =\textbf{Total Energy Expenditure + Energy Deposition}$$

Let us break down this formula further for a child of 2 months.

$$\mathrm{EER} = (89 \times \mathrm{Weight_{kg}} - 100) + 175$$

the weight is 15kg in this case. Thus, EER is given.

$$\mathrm{EER} = \big( (89 \times 15) -100 \big) + 175$$

$$\mathrm{EER} = 1410$$

## EER formulas table:

 Gender Age Formula boy/Girl 0-3 months EER = $$(89 \times \text{weight [kg]} - 100) + 175$$ boy/Girl 4-6 months EER = $$(89 \times \text{weight [kg]} - 100) + 56$$ boy/Girl 7-12 months EER = $$(89 \times \text{weight [kg]} - 100) + 22$$ boy/Girl 13-36 months EER = $$(89 \times \text{weight [kg]} - 100) + 20$$ Boy 3-8 years EER =  $$88.5 - 61.9 \times \text{Age} + \text{physical activity} \times (26.7 \times \text{weight [kg]} + 903 \times \text{height [m]}) + 20$$ Girls 3-8 years EER = $$135.3 - (30.8 \times \text{Age}) + \text{physical activity} \times {(10.0 \times \text{weight [kg]}) + (934 \times \text{height [m]}) } + 20$$ Boy 9-18 years EER = $$88.5 - 61.9 \times \text{Age} + \text{physical activity} \times (26.7 \times \text{weight [kg]} + 903 \times \text{height [m]}) +25$$ Girl 9-18 years EER = $$135.3 - (30.8 \times \text{Age}) + \text{physical activity} \times { (10.0 \times \text{weight [kg]}) + (934 \times \text{height [m]}) } + 25$$ Boy 19 years or above EER = $$662 - (9.53 \times \text(Age)) + \text{physical activity} \times { (15.91 \times \text{weight [kg]}) + (539.6 \times \text{height [m]}) }$$ Girl 19 years or above EER = $$354 - (6.91 \times \text{Age}) + \text{physical activity} \times { (9.36 \times \text{weight [kg]}) + (726 \times \text{height [m]}) }$$

### EER Formuls for Pregnant Women (14-50 years old)

 1st trimester EER = $$\text{Non-pregnant EER}+ 0$$ 2nd trimester EER = $$\text{Non-pregnant EER} + 340$$ 3rd trimester EER = $$\text{Non-pregnant EER} + 452$$

### Lactation

 0-6 months postpartum EER = $$\text{Non-pregnant EER}+ 330$$ 7-12 months postpartum EER = $$\text{Non-pregnant EER}+ 400$$

All of these formulas and calculations can be performed very quickly and accurately by our estimated energy requirement calculator.

## Physical activity is an important factor

What kind of physical activities do you perform during the course of the day? Some people are not active at all. They do not walk or do any form of exercise. On the other hand, certain people work out regularly to keep themselves in shape. For them, the energy requirement would be more than people who are not very active physically. It depends on the physical tasks you perform during the course of the day.

## References:

1. Shirley Gerrior, B. (2006). An Easy Approach to Calculating Estimated Energy Requirements |By ncbi.nlm.nih.gov
2. Birth low infants | Energy needs | depts.washington.edu
3. EER Equations - Nutrition for Healthy Living for Educators
4. Energy Requirements - an overview | ScienceDirect Topics by. W.P.T. James.

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