1. What is BMI?

Body Mass Index (BMI) is a value derived from the mass and height of a person. It provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems more objectively with their patients.

2. How Does the Calculator Work?

The calculator uses the BMI formula rearranged to calculate weight:

Where:

• \( BMI \) — Body Mass Index in kg/m²
• \( height \) — Height in meters

Explanation: This formula calculates the weight that would result in the given BMI for the specified height.

3. Importance of Weight Calculation

Details: Knowing your ideal weight range for your height can help with setting realistic health and fitness goals, assessing nutritional status, and determining healthy weight ranges.

4. Using the Calculator

Tips: Enter BMI in kg/m² (typically between 18.5 and 24.9 for healthy range) and height in meters. All values must be valid (BMI > 10, height between 0.5-2.5 meters).

5. Frequently Asked Questions (FAQ)

Q1: What is a healthy BMI range?
A: For most adults, 18.5 to 24.9 is considered healthy. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.

Q2: Does this work for children?
A: No, BMI calculations for children and teens use percentiles that consider age and sex rather than fixed ranges.

Q3: What are the limitations of BMI?
A: BMI doesn't distinguish between muscle and fat, so very muscular people may have high BMI without excess fat. It also doesn't account for fat distribution.

Q4: How accurate is this weight calculation?
A: It's mathematically accurate for the given BMI and height, but actual healthy weight may vary based on body composition.

Q5: Should I use this for weight loss goals?
A: This can help estimate a target weight, but consult a healthcare professional for personalized advice.