BMI, or Body Mass Index, is a measure that uses your height and weight to work out if your weight is healthy. It's a common screening tool, but it doesn't measure body fat directly and should be considered as one part of a larger health assessment.

Is this BMI calculator free?

Yes, our online BMI calculator is completely free to use. You can check your BMI as often as you like without any cost.

Is BMI accurate for everyone?

BMI is a useful population-level metric but may not be accurate for individuals with high muscle mass (like athletes) or for older adults. It's a general guide and should not replace advice from a healthcare professional.

BMI Calculator | Conversores Online

BMI Calculator

Calculate your Body Mass Index.

BMI Calculator

Calculate your Body Mass Index.

Height (cm)

Weight (kg)

How to Use the Free Online BMI Calculator

Choose between Metric (cm, kg) or Imperial (feet/inches, pounds) units.
Fill in your height and weight in the corresponding fields.
Click the 'Calculate BMI' button.
Your BMI score and the corresponding weight category (e.g., Normal weight, Overweight) will be displayed instantly online, for free.

Frequently Asked Questions

What is BMI?

Is this BMI calculator free?

Is BMI accurate for everyone?