BMI (Body Mass Index) is a numerical value derived from your weight and height. It's calculated by dividing weight in kilograms by height in meters squared (kg/m²), or weight in pounds by height in inches squared, multiplied by 703.

How do I calculate my BMI?

To calculate BMI, enter your weight and height into our free calculator. For metric: BMI = weight(kg) / height(m)². For imperial: BMI = (weight(lbs) / height(in)²) × 703.

What is a healthy BMI range?

A healthy BMI range for adults is typically 18.5 to 24.9. Below 18.5 is considered underweight, 25 to 29.9 is overweight, and 30 or above is considered obese.

Free BMI Calculator – Check Your Body Mass Index Instantly

Understanding BMI

Body Mass Index (BMI) is a numerical value derived from your weight and height. It's a useful screening tool to identify potential weight problems in adults. Learn more about our BMI calculator and how we help you track your health.

BMI Categories

Important Note

BMI is a screening tool and does not diagnose body fatness or health. It doesn't account for muscle mass, bone density, overall body composition, and other factors. Always consult with healthcare professionals for personalized health advice. Visit our FAQ page for more information about BMI limitations and calculations.

BMI Calculator

Your BMI Result

Understanding BMI

BMI Categories

Important Note