BMI Calculator

Calculate Body Mass Index from height and weight.

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BMI

How to Use

  1. Choose metric (kg/cm) or imperial (lb/in) units.
  2. Enter your weight and height.
  3. Click Calculate BMI to see your result and weight category.

Features

  • Supports both metric and imperial units
  • Shows the standard WHO weight category alongside your BMI
  • Instant, private calculation — nothing is sent to a server

Frequently Asked Questions

What is a healthy BMI range?

A BMI between 18.5 and 24.9 is generally considered a normal weight range for most adults, though this varies by individual factors.

Is BMI an accurate measure of health?

BMI is a useful general screening tool, but it doesn't account for muscle mass, bone density, or body composition, so it isn't a complete picture of individual health. Consult a healthcare professional for personalized guidance.

What formula is used for imperial units?

BMI = (weight in pounds / (height in inches)²) × 703.