Fitness & Health Calculators
Client-Side / Zero Latency
BMI Calculator
Calculate Body Mass Index (BMI), health risk category, and healthy weight range for adults and children according to WHO guidelines.
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Body Mass Index (BMI) Calculator
Determine your Body Mass Index (BMI) in seconds using standard World Health Organization categories for underweight, normal weight, overweight, and obesity.
Key Features:
- Dual support for Metric and US Imperial units.
- Color-coded WHO health risk gauge.
- Recommended healthy weight target range.
- Prime BMI ratio comparison.
How to Use:
- Choose Metric (cm, kg) or Imperial (feet, inches, lbs).
- Enter your height and current body weight.
- Click Calculate BMI to view your index and health classification.
What is BMI and Why Does it Matter?
Body Mass Index is a screening metric used by physicians worldwide to evaluate whether weight is proportionate to height.
Frequently Asked Questions:
Athletes with substantial muscle mass may register a high BMI despite having low body fat, as BMI does not distinguish muscle from adipose tissue.