How BMI Calculator works
BMI is calculated from weight divided by height squared. The result is a screening measure and does not directly measure body-fat percentage or diagnose a health condition.
Calculate your Body Mass Index instantly using your height and weight.
The BMI Calculator estimates your Body Mass Index (BMI) using your height and weight. BMI is a widely used screening tool that helps determine whether your weight falls within a healthy range.
Enter your height.
Enter your weight.
Click Calculate BMI.
View your BMI score and category.
Instant results
No signup required
Runs entirely in your browser
Mobile friendly
Input
Height: 175 cm Weight: 70 kg
Output
BMI: 22.9 Category: Healthy Weight
BMI is calculated from weight divided by height squared. The result is a screening measure and does not directly measure body-fat percentage or diagnose a health condition.
Health calculations are estimates based on the information entered. They do not replace examination, testing or advice from a qualified healthcare professional. Results may be less representative for children, pregnancy, medical conditions or unusual circumstances unless the tool specifically states otherwise.
This tool is designed to perform its main calculation or transformation in your browser. Do not enter information that the tool does not need, and review the site's Privacy Policy for analytics, advertising and third-party services.
Answers about how the tool works, its limitations, and how your information is handled.
Body Mass Index (BMI) is a simple calculation based on height and weight that estimates whether your weight is within a healthy range.
The calculator applies the standard BMI formula, but BMI is a screening measure rather than a direct measurement of body fat or overall health.
No. All calculations happen locally in your browser.
No. The result is an informational estimate based on the inputs supported by the calculator. It does not replace advice, diagnosis or treatment from a qualified healthcare professional.
This tool is designed to perform its main calculation or transformation in your browser. Do not enter information that the tool does not need, and review the site's Privacy Policy for analytics, advertising and third-party services.
Continue with related UtilsDesk tools for the same type of task. Each tool has its own instructions, examples, methodology notes, and limitations.