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Accurate BMI Calculator with Age and Gender
Discover your Body Mass Index (BMI) quickly and easily using our advanced online BMI calculator. Designed for precision, this calculator takes into account age, gender, height, and weight to give you a more accurate BMI assessment.

Body Mass Index (BMI) Calculator

Your Measurements

BMI = weight / (height²). Normal range: 18.5–24.9 (WHO).

Results

Your BMI
Category
UnderHealthyOverObesity IObesity II+
Healthy weight for your height
Based on a BMI of 18.5–24.9. Use this as a general guide—talk to your clinician for personal advice.
Note: BMI is a screening tool and doesn’t directly measure body fat or account for muscle mass, age, or ethnicity.

Whether you are an adult or a teenager, our BMI tool helps you understand your weight category—underweight, normal weight, overweight, or obesity—based on standard WHO guidelines. For users under 20, it provides guidance on BMI-for-age percentiles.

BMI calculator supports

This interactive calculator also offers:

  • Support for metric (cm/kg) and US (ft/in/lb) units
  • Real-time BMI gauge and healthy weight range
  • Easy-to-read results with visual cues for quick understanding
  • Tips and guidance for maintaining a healthy BMI

Why use our BMI Calculator?

  • Personalized: Adjusts for age and gender
  • Free and easy to use
  • Mobile-friendly and responsive design
  • Perfect for anyone tracking fitness, health, or weight goals

Start tracking your health today! Simply enter your height, and weight, and get your BMI in seconds. Take control of your wellness journey with a tool trusted by thousands of users worldwide.

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