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BUZZ NEXTERS TOOLS
Runs on your device

BMI Calculator

Enter your height and weight to see your BMI, its WHO category and the weight range corresponding to a normal BMI for your height.

ft
in
lb

For adults 18 and older. Not for children, teens or during pregnancy.

Enter values to see the result.

Runs in your browser: your files and data never leave your device.

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What is BMI Calculator?

Body mass index (BMI) is weight in kilograms divided by height in meters squared, used as a simple screening measure for adults.

How to use BMI Calculator

  1. 1

    Choose metric or imperial units.

  2. 2

    Enter height and weight.

  3. 3

    Read your BMI, category and healthy range.

Features

  • Metric and imperial
  • WHO adult categories
  • Healthy weight range for your height
  • Category table

Practical uses

  • A quick check of weight status.
  • Setting a general weight goal to discuss with a professional.

Limitations

  • BMI doesn't distinguish muscle from fat and doesn't account for age, sex, ethnicity or body shape.
  • Not valid for children, teens or pregnant people.
  • Not a diagnosis—consult a health professional.

Frequently asked questions

What is a healthy BMI?

For adults, the WHO considers 18.5 to 24.9 the normal range.

Can I use it for children?

No. Children and teens need age- and sex-specific percentiles.