Health tool

Body Mass Index Calculator

Find BMI from height and weight using the standard body mass index formula.

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How To Use Body Mass Index Calculator

Quick notes to help you understand the result before you act on it.

Overview

Use this body mass index calculator to estimate BMI from height and weight.

BMI is a general screening number and does not measure body fat directly.

BMI Formula

  • BMI = weight in kg / height in meters squared.
  • For example, 70 kg and 1.70 m gives a BMI of about 24.2.

Practical Tips

  • BMI may not suit athletes, children, pregnant people, or some medical situations.
  • Use it as one rough health indicator, not a full diagnosis.

FAQ

Common questions about this tool.

What does BMI stand for?

BMI stands for body mass index.

Does BMI measure body fat?

No. BMI is based only on height and weight.