No. BMI is a screening measure and does not diagnose health conditions or account for every individual factor.

Is this BMI tool for children and teens?

No. This page is designed for adults 20 and older. Younger people need age- and sex-specific assessment from a qualified health professional.

ADULT BMI CALCULATOR

A clear BMI screening calculation.

Calculate adult body mass index using metric or imperial measurements. Age is used only to confirm this adult screening tool is appropriate; it does not create a child or teen BMI assessment.

MEASUREMENTS

Calculate adult BMI

Age (optional)This calculator is designed for adults 20 and older.

WeightkilogramsHeightcentimetres

BMI = weight (kg) ÷ height² (m)

ABOUT THIS TOOL

BMI Calculator

Use adult height and weight measurements to calculate BMI as a screening measure. An optional age field confirms this adult-only tool is appropriate; it is not a diagnosis.

Metric BMI calculation
Imperial BMI calculation
Formula and screening context

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