BMI Calculator
Calculate your Body Mass Index (BMI) — metric and imperial units.
Your BMI
22.5
Normal
Your files are processed securely and are not stored permanently.
About BMI Calculator
Free BMI calculator to check if you are underweight, normal, overweight or obese based on WHO categories. Enter your height and weight in metric (cm, kg) or imperial (ft, in, lb) units.
Frequently Asked Questions
Is this tool free to use?
Yes — every tool on ToolNest is free with no signup required.
Are my files uploaded to a server?
Whenever possible, files are processed entirely in your browser and are never stored.
Does it work on mobile?
Yes — ToolNest is fully responsive and works on mobile, tablet, and desktop.