BMI Calculator
Calculate Body Mass Index (BMI) and health category
Your Body Mass Index (BMI)
How to Use This Calculator
- Enter your body weight in kilograms into the Weight (kg) input field.
- Enter your standing height in centimeters into the Height (cm) field.
- Click “Calculate BMI” to evaluate your body mass index score and health classification.
The Formula Used
Body Mass Index is determined by dividing body mass in kilograms by the square of body height in meters:
BMI = Weight (kg) / [ Height (m) ]²
Frequently Asked Questions (FAQ)
What is considered a normal BMI score?
A BMI reading falling between 18.5 and 24.9 is categorized as a normal or healthy weight according to standard health guidelines.
Is BMI an accurate measure of body fat for athletes?
BMI does not directly measure body fat and may overestimate fatness in athletes or individuals with high muscle mass.
What are the main health categories of BMI?
Categories include Underweight (<18.5), Normal Weight (18.5–24.9), Overweight (25–29.9), and Obese (30 or greater).
Does age or gender alter BMI calculations?
Standard adult BMI formulas use the same calculation for adult men and women regardless of age.
How can I lower my BMI healthily?
Sustained weight loss through balanced nutrition, regular physical exercise, and consistent lifestyle habits effectively lowers BMI.