BMI Calculator based on WHO guidelines
BMI Calculator
Calculate your Body Mass Index using WHO-standard classifications. Understand what your result means and take the next step towards holistic health.
centimetres (cm)
feet (ft)
inches (in)
kilograms (kg)
pounds (lbs)
years old
Your BMI
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WHO Classification
UnderweightBelow 18.5
Normal weight18.5 to 24.9
Pre-obesity25.0 to 29.9
Obesity class I30.0 to 34.9
Obesity class II35.0 to 39.9
Obesity class III40.0 and above
Note for ages 5 to 19: Standard adult BMI ranges do not apply to children and adolescents. For this age group, the WHO uses BMI-for-age percentile charts that account for growth and development. Learn more at the WHO BMI-for-age reference tool.
| WHO Classification | BMI Range | Associated Health Risk |
|---|
Sources:
World Health Organization. BMI classification. WHO Global Health Observatory: Body Mass Index
World Health Organization. BMI-for-age reference data (5 to 19 years). WHO Growth Reference Data for 5-to-19 Years
World Health Organization. BMI classification. WHO Global Health Observatory: Body Mass Index
World Health Organization. BMI-for-age reference data (5 to 19 years). WHO Growth Reference Data for 5-to-19 Years
Your BMI is just the starting point
Understanding your body goes far beyond a single number. Our coaches take a holistic view, combining movement quality, lifestyle, and individual goals to build a program that is genuinely right for you.
Enquire with CalifitogaBMI is a screening measure and does not diagnose body fatness or health in isolation. It does not account for muscle mass, bone density, age-related body composition changes, or ethnic differences in fat distribution. Always consult a qualified health professional for a comprehensive health assessment.