Health

A screening-level Adult BMI calculator, with the World Health Organization thresholds and NHS guidance behind it explained in plain terms.

Calculate Body Mass Index for an adult aged 18 or over, from height and weight in metric or imperial units.

Conventions and limitations

BMI here is a screening measure only, not a diagnosis. The standard adult ranges are used for everyone, with no adjustment for ethnic background, and the calculator is not for use during pregnancy. See the calculator's own limitations for details.

One tool in this category

Browse all toolsExplore the complete directory of all 100 calculators and practical tools.View all tools

Analytics only runs if you choose to allow it below. Advertising and affiliate tracking are not currently used on Numerila. This panel exists so your preference is on record for if that ever changes.

Essential

Always active. Needed for the Site to work and stay secure. Not optional.

Analytics
Advertising

If a certified advertising consent tool is ever active on this Site, both your choice here and that tool's own decision would need to allow it before Google advertising could be shown. This toggle has no effect on anything today.

Affiliate