Specialized Use Case

Body Mass Index & Weight Category Calculator

Assess your body mass index based on standard medical equations. Find out your healthy weight targets and review metric and imperial height and weight bounds.

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Shopify & Portal Ready: Outputs matching official sizing standards.

Interactive Console

BMI Range Chart

Standard World Health Organization (WHO) categories

Category	Range
Underweight	< 18.5
Normal weight	18.5 – 24.9
Overweight	25.0 – 29.9
Obese Class I	30.0 – 34.9
Obese Class II	35.0 – 39.9
Obese Class III	≥ 40.0

This chart applies to adults aged 20 years and older. For children and teens, BMI is interpreted differently using age and sex-specific percentiles.

Did you know?

Maintaining a healthy weight is important for overall health. In addition to BMI, healthcare providers use other measurements and factors - such as skinfold thickness, waist circumference, and diet - to assess a person’s health status.

Professional Tips & Best Practices

Standard Formula: Employs standard BMI (kg/m²) parameters approved by global health bodies.

Healthy Range: Provides ideal weight ranges matching your height.