BMI Calculator
Free BMI calculator. Compute your Body Mass Index from height and weight (metric or imperial), see your category and your healthy weight range.
Your BMI
22.9
Healthy weight
Healthy weight range for your height
56.7 – 76.3 kg
Based on the standard healthy BMI band of 18.5–24.9 kg/m². BMI is a screening tool only — it does not distinguish muscle from fat. Always discuss health decisions with a professional.
How to use BMI Calculator
- 1
Choose metric (cm/kg) or imperial (ft/lbs).
- 2
Enter your height and weight.
- 3
Your BMI and category appear instantly on the gauge.
- 4
Check the healthy weight range for your height.
Key features
Metric and imperial units
Instant BMI calculation
Color-coded category scale
Healthy weight range for your height
Clear visual result gauge
Works offline in the browser
Pro tip
BMI is a screening tool, not a verdict. Track your own trend over time and combine it with waist measurement for a fuller picture.
BMI Calculator — FAQ
Under 18.5 is underweight, 18.5–24.9 is healthy, 25–29.9 is overweight, and 30+ is obese — per standard WHO classifications.
BMI does not distinguish muscle from fat, so it can overestimate body fat for very muscular people. Use it as a screening tool, not a diagnosis.
Weight in kilograms divided by height in meters squared (kg/m²). The calculator handles the unit conversion for imperial inputs automatically.
No — this tool is informational only. Always discuss health decisions with a qualified medical professional.
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