Health tools
BMI Calculator
Work out your body mass index from height and weight, in metric or imperial units.
Your BMI updates as you type. Nothing is sent anywhere.
Your BMI
0.0
1518.5253040
How to use it
- Enter your height and weight. Switch units if you prefer feet, inches and pounds.
- Your BMI and its category appear as you type.
Questions
- How is BMI calculated?
- Weight in kilograms divided by height in metres squared.
- What do the categories mean?
- Under 18.5 is underweight, 18.5 to 24.9 is a healthy range, 25 to 29.9 is overweight and 30 or more is obese, following the WHO adult ranges.
- Is BMI accurate for everyone?
- It is a rough screening number. It does not account for muscle, age or body composition, and is not meant for children. Talk to a doctor for personal advice.