BMI Calculator
Calculate your Body Mass Index (BMI) from height and weight with instant health category.
—Your BMI
—Category
—Healthy weight range
BMI is a screening measure, not a diagnosis — athletes and pregnant women should consult a doctor.
How to use
Pick metric (cm/kg) or imperial (ft-in/lb), enter your height and weight, and click Calculate BMI to see your index, category and healthy weight range.
Frequently asked questions
Is this BMI calculator free?
Yes, completely free with no signup.
What is a healthy BMI?
18.5–24.9 is considered the healthy range for most adults.
Does it store my data?
No. Everything runs locally in your browser.
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