WHO Body Mass Index (BMI) & Healthy Weight Range Calculator
Check your BMI score and see visual indicators for healthy weight boundaries.
Key Highlights:
- Metric and Imperial unit support
- Visual health gauge
- Ideal target weight calculation
BMI Calculator (Body Mass Index)
Popular Runs in Your BrowserCalculate your BMI for adults using Metric (kg & cm) or Imperial (lbs & ft/in). View WHO classification categories (Underweight, Normal, Overweight, Obese) and ideal weight targets.
Browser-based: this tool works on your device and does not send your input to an Alona Tool server. See the Privacy Policy for details.
Fast Processing
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Example Usage & Test Cases
Adult Metric
Input Scenario:
Height: 175 cm, Weight: 70 kg
Generated Result:
BMI: 22.9 (Normal weight - Healthy range: 56.7kg - 76.6kg)
How It Works
1
Applies the World Health Organization BMI formula: weight (kg) / [height (m)]².
Frequently Asked Questions
According to the WHO, a healthy adult BMI falls between 18.5 and 24.9.
Good to Know
Common uses
- A quick general indicator of weight relative to height
Limitations and notes
- BMI does not measure body fat, muscle or overall health and is not a diagnosis. Speak to a health professional for personal advice.
Results are general estimates and are not professional financial, tax, legal or medical advice. See the Disclaimer.