BMI Calculator
Calculate your Body Mass Index (BMI) instantly using metric or imperial units. Free online BMI calculator with healthy weight range guidance for men, women, and children.
Enter height and weight
BMI Scale
Frequently Asked Questions
What is a healthy BMI range?
BMI 18.5-24.9 is considered normal weight. Under 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese. BMI doesn't account for muscle mass — athletes may have high BMI but low body fat.
How to Use
Enter Data
Input your weight (kg/lbs) and height (cm/ft).
Calculate
Click Calculate to see your BMI and category.
Review
See your BMI category and health recommendations.
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