Teen Nutrition Requirements Calculator

Determine optimal nutrient needs during adolescent growth periods with our comprehensive calculator

Calculate Your Nutritional Needs

Enter your details below to get personalized nutrition recommendations tailored for your growth stage and activity level.

Your Nutritional Requirements

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Post-Surgery Nutrition Calculator

Determine optimal nutrition for recovery after surgery.

Nutritional Breakdown

View your recommended daily intake of essential nutrients based on your personal information.

Understanding Teen Nutrition

Adolescence is a critical time for nutritional needs due to rapid growth and development.

Calcium

Essential for bone growth and development. Teens need 1,300mg daily.

Protein

Vital for muscle development and tissue repair. Teens need 0.85g per kg of body weight.

Iron

Critical for blood production and cognitive function. Teen boys need 11mg, girls 15mg daily.

Calories

Fuel for growth and activity. Teen boys need 2500-3000, girls 2200-2400 calories daily.

Calculation Formulas

Our calculator uses evidence-based formulas to determine nutritional requirements:

Basal Metabolic Rate (BMR)

The rate at which your body uses energy while at rest.

Male BMR = 88.362 + (13.397 × weight in kg) + (4.799 × height in cm) - (5.677 × age)
Female BMR = 447.593 + (9.247 × weight in kg) + (3.098 × height in cm) - (4.330 × age)

Total Daily Energy Expenditure (TDEE)

Total calories burned per day based on activity level.

TDEE = BMR × Activity Factor
• Sedentary: 1.2
• Light Activity: 1.375
• Moderate Activity: 1.55
• Very Active: 1.725
• Extra Active: 1.9

Macronutrient Distribution

Recommended breakdown of calories from carbohydrates, proteins, and fats.

Carbohydrates: 45-65% of total calories (4 calories per gram)
Proteins: 10-30% of total calories (4 calories per gram)
Fats: 25-35% of total calories (9 calories per gram)

For teens, we recommend slightly higher protein intake to support growth:

Teen Protein: 0.85g per kg of body weight