BMI Calculator
Calculate your Body Mass Index (BMI) and see your health category instantly.
How to Use BMI Calculator
- Open the BMI Calculator tool above and enter your input in the fields.
- The tool processes your input instantly in your browser.
- Copy, download or share your result with a single click.
BMI Calculator — Frequently Asked Questions
What is BMI?
Body Mass Index is a measure of body fat based on your height and weight, calculated as kg/m^2.
What are the BMI categories?
Under 18.5 is underweight, 18.5-24.9 is normal, 25-29.9 is overweight, and 30+ is obese.
Is BMI accurate for everyone?
BMI is a screening estimate and may not account for muscle mass, age or body composition. Consult a doctor for health advice.