Bmi Calculator

BMI Calculator

Check your Body Mass Index (BMI) and health category instantly using metric or imperial units.

About this tool

The BMI Calculator computes your Body Mass Index from your height and weight, then classifies it as underweight, normal, overweight or obese using standard WHO ranges. Switch between metric (kg/cm) and imperial (lb/ft-in) units. Use it as a quick wellness check — for medical advice, always consult a professional. All calculations stay on your device.

How to use the BMI Calculator

  1. 1

    Pick your units

    Choose metric or imperial measurements.

  2. 2

    Enter height and weight

    Type your current height and weight.

  3. 3

    View your BMI

    See your BMI value and health category instantly.

Frequently Asked Questions

What is a healthy BMI?

A BMI between 18.5 and 24.9 is generally considered healthy for most adults.

Is BMI accurate for everyone?

BMI is a useful screening tool but doesn't distinguish muscle from fat, so athletes may read high. Treat it as a guide, not a diagnosis.

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