ToolNova

BMI Calculator

Calculate your Body Mass Index and see which weight category it falls into.

24.2

Healthy weight

Underweight< 18.5
Healthy weight18.5 – 24.9
Overweight25 – 29.9
Obesity30+
Formula: BMI = weight (kg) ÷ height (m)². BMI is a general screening tool and does not account for muscle mass, age or body composition.

How It Works

  1. 1Choose metric or imperial units.
  2. 2Enter your height and weight.
  3. 3View your BMI and category instantly.

Features

  • Metric and imperial support
  • Standard BMI category reference table

Privacy

All calculations happen instantly in your browser. Nothing you enter is ever sent anywhere.

Frequently Asked Questions

BMI is a general screening tool. It doesn't account for muscle mass, bone density or body composition, so it should not be used alone to assess health.