Calorie Calculator for Teenagers

Estimated Energy Requirement (EER) Equation:

\[ TEE = BMR \times activity\_factor \] \[ BMR = \begin{cases} 88.5 - (61.9 \times age) + PA \times (26.7 \times weight + 903 \times height) & \text{for boys} \\ 135.3 - (30.8 \times age) + PA \times (10.0 \times weight + 934 \times height) & \text{for girls} \end{cases} \]

Gender:

Age:

years

Weight:

Height:

meters

Activity Level:

Basal Metabolic Rate (BMR):

Total Energy Expenditure (TEE):

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1. What is the EER Equation for Teenagers?

The Estimated Energy Requirement (EER) equation calculates calorie needs for teenagers based on gender, age, weight, height, and activity level. It accounts for basal metabolic rate (BMR) and physical activity to determine total daily energy needs.

2. How Does the Calculator Work?

The calculator uses the EER equation:

Where:

\( TEE \) — Total Energy Expenditure (kcal/day)
\( BMR \) — Basal Metabolic Rate (kcal/day)
\( age \) — Age in years (13-19)
\( weight \) — Weight in kilograms
\( height \) — Height in meters
\( activity\_factor \) — Multiplier based on physical activity level

Explanation: The equation accounts for growth and development needs during adolescence, with different coefficients for boys and girls.

3. Importance of Calorie Calculation

Details: Accurate calorie estimation helps ensure teenagers get adequate nutrition for growth while preventing under- or over-eating. It's essential for maintaining healthy weight and supporting physical development.

4. Using the Calculator

Tips: Enter accurate weight and height measurements. Select the activity level that best matches the teenager's typical week. Results are estimates - individual needs may vary.

5. Frequently Asked Questions (FAQ)

Q1: Why different equations for boys and girls?
A: Boys and girls have different growth patterns and body compositions during adolescence, requiring different calculations.

Q2: How accurate is this calculator?
A: It provides a good estimate for healthy teenagers. Those with medical conditions or athletes may need specialized assessment.

Q3: When should I recalculate my needs?
A: Recalculate every 3-6 months or after significant changes in weight, height, or activity level.

Q4: Are there limitations to this equation?
A: It's designed for teenagers aged 13-19. Not suitable for younger children or adults. Doesn't account for pregnancy or certain medical conditions.

Q5: Should this be used for weight loss?
A: For weight management, consult a healthcare professional. Teenagers have special nutritional needs during growth periods.