Free Tool • Used Worldwide • Instant Results
BMICalculator
Calculate your Body Mass Index using the standard WHO formula — in metric (kg/cm) or imperial (lb/ft-in) units.
BMI Calculator
Body Mass Index — a quick general screening measure using the standard WHO formula.
Your BMI
24.2
WHO BMI Categories (Adults)
Disclaimer: BMI is a general screening tool based on height and weight only — it does not account for muscle mass, bone density, age, sex or overall body composition, and is not a medical diagnosis. Consult a qualified healthcare professional for personal health advice.
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Book a Free ConsultationFrequently Asked Questions
What is BMI and how is it calculated?
Body Mass Index (BMI) is calculated as weight in kilograms divided by height in metres squared (BMI = kg ÷ m²). It's a simple screening tool used worldwide to categorise weight ranges relative to height.
What are the standard BMI categories?
Per WHO guidelines for adults: below 18.5 is Underweight, 18.5–24.9 is Normal weight, 25.0–29.9 is Overweight, and 30.0 and above is Obese.
Is BMI accurate for everyone?
No — BMI does not distinguish muscle mass from fat mass, so it can overestimate body fat in athletes and underestimate it in older adults who've lost muscle. It's a general screening tool, not a diagnosis.
Can I use pounds and feet/inches instead of kg and cm?
Yes — toggle to "Imperial (lb / ft-in)" mode above and enter your weight in pounds and height in feet and inches.
Should I make health decisions based on BMI alone?
No — always consult a qualified healthcare professional for personal health advice. BMI is one general indicator among many and doesn't account for individual factors like body composition, age, or medical history.
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