Calculate your Body Mass Index using the WHO standard. Supports metric (kg/cm) and imperial (lb/ft+in).
Calculate your Body Mass Index using the WHO standard. Supports metric (kg/cm) and imperial (lb/ft+in). This tool gives a general estimate based on standard health formulas — it's a starting point for understanding your numbers, not a diagnosis or medical advice.
WHO classifies BMI 18.5–24.9 as healthy weight. Under 18.5 is underweight, 25–29.9 is overweight, 30+ is obese.
BMI is a useful screening tool but does not account for muscle mass, age, or ethnicity. Consult a doctor for a full health assessment.
You can switch between metric (kg, cm) and imperial (lbs, ft/in) using the toggle above.
Calculate your BMI instantly. Get your Body Mass Index score, WHO category, and healthy weight range. Metric and imperial units. The Bmi Calculator page explains what the tool or support page provides, what information is needed and how to use the result or guidance for an everyday task.
Use BMI Calculator when you need a quick answer without creating an account, downloading an app or sending your information to a third party. The tool is designed for everyday planning, comparison and checking, with results shown in the browser as soon as you enter the details.
BMI Calculator is useful for quick checks, household planning, school or work tasks, content planning and comparing simple scenarios. Many visitors use these tools to avoid manual counting or spreadsheet setup for a one-off question.
The result should be treated as a practical guide rather than professional advice. For legal, financial, health, tax, pregnancy, school holiday, tide or public holiday decisions, confirm important details with an official source or qualified professional.
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