bmi calculator

Calculate your BMI.

Body Mass Index in metric or imperial. See your category and the healthy weight range for your height.

your bmi
24.4Normal
Healthy weight range for your height: 128.9 lb to 173.5 lb
Not a diagnosisBMI is a rough screening tool that ignores muscle mass, age, sex, and body composition. Ask a clinician for a real assessment.
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AIExplain BMI

Frequently asked

Is this tool free?
Yes. The BMI calculator is completely free. Calculate your BMI in metric or imperial units with no limits.
Do I need to sign up?
No. Enter your height and weight and see the result. No account required.
Is my data private?
All calculations run in your browser. Your height and weight are never sent to any server or stored anywhere.
What does the result include?
Your BMI value, the WHO category (underweight, normal, overweight, or obese), and the healthy weight range for your height. You can switch between metric and imperial units at any time.