BMI Calculator BMI Calculator Check your Body Mass Index instantly Metric (kg/cm) Imperial (lb/ft) Weight (kg) Height (cm) Weight (lb) Height Calculate BMI Reset Your BMI: 0 Enter values to calculate BMI Categories Underweight: < 18.5 Normal: 18.5 – 24.9 Overweight: 25 – 29.9 Obese: 30+