BMI (Body Mass Index) is a simple calculation using height and weight to estimate body fat and classify weight status.

Is BMI accurate for everyone?

BMI is a general indicator and may not be accurate for athletes, pregnant women, or very muscular people.

Back to Tools

BMI Calculator

Calculate your Body Mass Index (BMI) and see your weight category instantly. Works with metric and imperial units.

Fast • Mobile-friendly • Printable

Weight

Height

BMI = weight (kg) / (height (m))². If using imperial, choose lb and ft/in.

Enter your Weight in kilograms (kg) or pounds (lb).
Enter your Height in centimeters (cm) or feet/inches (ft/in).
Click Calculate BMI to see your BMI value, weight category, and healthy weight range.
Use Share Result to copy your BMI to the clipboard.
Click Print to print your results.

BMI is a quick screening tool to estimate body fat. It doesn't measure body composition — consult a healthcare professional for a full assessment.

BMI is a quick screening tool to estimate body fat. It doesn't measure body composition — consult a healthcare professional for a full assessment.

—

Healthy weight range: —