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Schofield Equation:
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The Schofield equation is a widely used formula for estimating Basal Metabolic Rate (BMR) in children. It calculates the minimum energy required to maintain basic physiological functions at rest, based on weight and height measurements.
The calculator uses the Schofield equation:
Where:
Explanation: The equation provides an estimate of the daily calorie expenditure required to sustain basic bodily functions while at complete rest.
Details: Accurate BMR estimation is essential for determining appropriate nutritional requirements, planning diets, and managing weight in children. It serves as the foundation for calculating total daily energy expenditure.
Tips: Enter weight in kilograms and height in centimeters. All values must be valid (weight > 0, height > 0). The calculator provides BMR in kilocalories per day (kcal/day).
Q1: What age range is the Schofield equation appropriate for?
A: The Schofield equation is specifically designed for children and adolescents, typically covering ages 3-18 years.
Q2: How accurate is the Schofield equation for BMR estimation?
A: The Schofield equation provides a reasonable estimate for most children, though individual variations may exist due to factors like body composition and metabolic health.
Q3: Should BMR be measured differently for boys and girls?
A: Yes, the Schofield equation has gender-specific coefficients. This calculator uses the appropriate formula based on the selected gender parameters.
Q4: When is the best time to measure weight and height for BMR calculation?
A: For most accurate results, measurements should be taken in the morning under consistent conditions, preferably with the child fasting and at rest.
Q5: Can BMR change over time for the same child?
A: Yes, BMR changes with growth, development, changes in body composition, and overall health status. Regular reassessment is recommended.