BMI Calculator — Body Mass Index and Healthy Range
Check your body mass index from height and weight in seconds. See your BMI, WHO weight band, and the healthy range for your height to copy free online.
Free, no signup needed. Runs 100% in your browser.
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How to use this tool
- Enter your height in cm or feet and inches.
- Enter your weight in kg or lb.
- Copy your BMI, band, and healthy range.
Frequently asked questions
What do the BMI bands mean?
WHO bands: under 18.5 underweight, 18.5 to 24.9 normal weight, 25 to 29.9 overweight, 30 and above obese.
How is the healthy range calculated?
BMI 18.5 to 24.99 times your height squared, shown in the weight unit you picked.
Is BMI medical advice?
No. BMI is a rough screening guide that ignores muscle, age, and body composition. Talk to a clinician for personal advice.
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