Calculate Height With Weight And BMI

Height Calculation Formula:

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

Height:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Height from BMI Calculation?

This calculator determines a person's height based on their weight and Body Mass Index (BMI). It uses the inverse of the standard BMI formula to solve for height when weight and BMI are known.

2. How Does the Calculator Work?

The calculator uses the following formula derived from the BMI equation:

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

Where:

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

Explanation: The formula rearranges the standard BMI calculation (BMI = weight/height²) to solve for height.

3. Importance of Height Calculation

Details: This calculation can be useful when height measurements aren't available but weight and BMI are known, such as in certain research or clinical documentation scenarios.

4. Using the Calculator

Tips: Enter weight in kilograms and BMI in kg/m². Both values must be positive numbers for the calculation to work.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this calculation?
A: The calculation is mathematically precise, but remember that BMI itself is an estimate of body composition.

Q2: Can I use pounds instead of kilograms?
A: No, the formula requires metric units (kg for weight). Convert pounds to kg by dividing by 2.205.

Q3: What if my BMI is very high or very low?
A: Extreme BMI values may result in unrealistic height calculations, as BMI doesn't account for muscle mass or body frame.

Q4: Why would I need to calculate height this way?
A: This is typically used in research when only weight and BMI data are available, or to verify height data consistency.

Q5: Can this be used for children?
A: The standard BMI formula is designed for adults. For children, use age- and sex-specific BMI percentiles.