Calculate your Body Mass Index (BMI) and see which weight category you fall into. Use this free bmi calculator online — it runs entirely in your browser, so it is fast, private, and secure. No sign-up, no watermark, no limits.
How to use the BMI Calculator
- Enter your height and weight.
- Choose metric or imperial units.
- See your BMI and category.
Why use this tool?
- Supports metric and imperial units
- Shows your BMI category
- 100% free with no sign-up
- Works in your browser — nothing is uploaded
Frequently Asked Questions
What is a healthy BMI?
A BMI between 18.5 and 24.9 is generally considered healthy, but consult a doctor for advice.
Is this bmi calculator free?
Yes, it is completely free to use with no account required.