BMI Formula:
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Definition: The Body Mass Index (BMI) calculator measures body fat based on height and weight.
Purpose: It helps assess whether a person has a healthy body weight for their height.
The calculator uses the formula:
Where:
Explanation: Your weight in kilograms is divided by the square of your height in meters.
Underweight: BMI less than 18.5
Normal weight: BMI 18.5-24.9
Overweight: BMI 25-29.9
Obesity: BMI 30 or greater
Tips: Enter your weight in kilograms and height in meters. All values must be > 0.
Q1: Is BMI accurate for everyone?
A: BMI is a general screening tool but may not account for muscle mass, bone density, or body composition.
Q2: How do I convert pounds to kilograms?
A: Multiply pounds by 0.453592 to get kilograms.
Q3: How do I convert feet/inches to meters?
A: Multiply feet by 0.3048 and inches by 0.0254, then add them together.
Q4: What's a healthy BMI range?
A: Generally 18.5 to 24.9, but consult a healthcare professional for personal advice.
Q5: Can children use this calculator?
A: BMI interpretation is different for children - pediatric growth charts should be used instead.