Body Mass Index (BMI) is a screening tool used by the World Health Organization (WHO) to categorize weight status relative to height.

What are the standard WHO BMI categories?

Underweight (< 18.5), Normal weight (18.5 - 24.9), Overweight (25.0 - 29.9), and Obese (≥ 30.0).

Calculators & Converters Utility

BMI Calculator

Q: What are the standard WHO BMI categories?

Underweight (< 18.5), Normal weight (18.5 - 24.9), Overweight (25.0 - 29.9), and Obese (≥ 30.0).

Calculate Body Mass Index (BMI), category classifications (Underweight, Normal, Overweight, Obese), and ideal healthy weight ranges in metric or imperial units.

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Height (cm): Weight (kg):

BMI: 22.9

Normal weight

Healthy Weight Range: 56.7 - 76.3 kg

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How to use BMI Calculator

1
Choose your unit system (Metric: cm/kg or Imperial: feet/inches/lbs).
2
Enter your height and weight.
3
Review your calculated BMI score, health category, and healthy target weight range.

Frequently Asked Questions

Everything you need to know about BMI Calculator and client-side processing

Understanding Body Mass Index (BMI) and Healthy Weight Ranges

BMI provides a standardized baseline for assessing body weight categories across adult populations.

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