BMI Calculator
Calculate Body Mass Index from height and weight with metric and imperial units. BMI category indicator and healthy weight range.
BMI Calculator
Your BMI
22.5
BMI Scale
Health Advice
Great! Your BMI is within the healthy range. Maintain this by continuing regular physical activity, a balanced diet with plenty of fruits and vegetables, adequate sleep, and staying hydrated.
What is BMI Calculator?
BMI Calculator computes Body Mass Index the standardized WHO-endorsed metric for classifying adult weight status relative to height from user-provided height and weight measurements. BMI calculation weight in kilograms divided by the square of height in meters kg/m2 remains the global screening tool used by physicians public health agencies health insurance companies fitness applications. This calculator accepts both metric and imperial input combinations with automatic unit normalization so users can enter pounds and feet inches without manual pre-calculation. After calculation the BMI number is clearly displayed alongside its WHO classification category Underweight less than 18.5 Normal weight 18.5 to 24.9 Overweight 25 to 29.9 Obese Class I II III with thirty plus cutoffs color coded green yellow orange red for quick visual interpretation. Additional results include the precise healthy weight range for the entered height showing minimum and maximum healthy weights in both kg and pounds BMI prime ratio relative to 25 the upper normal boundary and visual indicator showing where current BMI falls on the standard scale. Pediatric BMI is not computed as BMI categories differ by age and sex the tool clearly states it is for adult use only 18 years or older per WHO guidelines with a disclaimer that BMI alone cannot distinguish between muscle and fat mass in athletic individuals.
When to Use BMI Calculator
Use for general health weight status screening, fitness tracking progress monitoring, health insurance applications, calculating BMI for doctor visit preparation, or healthy weight range planning.
How to Use BMI Calculator
Select measurement system metric or imperial. Enter height and weight in any supported unit combination. View BMI number classification category healthy weight range for your height and visual scale position.
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