Height Calculator From BMI and Weight Percentile

Height Calculation Formula:

\[ \text{height (m)} = \sqrt{\frac{\text{weight (kg)}}{\text{BMI (kg/m²)}}} \]

Weight:

BMI:

kg/m²

Age (for percentiles):

years

Gender (for percentiles):

Calculated Height:

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1. What is Height From BMI Calculation?

This calculator estimates height based on known weight and BMI values. It's particularly useful in pediatric growth monitoring when you need to estimate height from BMI and weight percentiles.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{height (m)} = \sqrt{\frac{\text{weight (kg)}}{\text{BMI (kg/m²)}}} \]

Where:

\( weight \) — Body weight in kilograms
\( BMI \) — Body Mass Index in kg/m²

Explanation: The formula rearranges the standard BMI calculation to solve for height when weight and BMI are known.

3. Importance of Height Calculation

Details: This calculation helps in growth monitoring, especially in children where height, weight and BMI percentiles are tracked over time.

4. Using the Calculator

Tips: Enter weight in kg and BMI in kg/m². For pediatric percentiles, provide age (0-18 years) and gender. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this calculation?
A: The calculation is mathematically precise, but actual height may vary due to body composition differences.

Q2: Can this be used for children?
A: Yes, but for growth monitoring, consult pediatric growth charts and a healthcare provider.

Q3: What are typical BMI values?
A: For adults, normal BMI is 18.5-24.9. For children, BMI varies by age and gender.

Q4: Why include age and gender?
A: These help provide growth percentile context in pediatric cases.

Q5: What units should I use?
A: Weight must be in kilograms and BMI in kg/m² for the calculation to work correctly.