Free online Bmi Calculator perform calculations accurately.

The free online Bmi Calculator will simplify financial planning or health tracking.

Free Online BMI Calculator: Calculate Your Body Mass Index

Easily calculate your **Body Mass Index (BMI)** with our **free online BMI calculator**. Understand your weight category (Underweight, Normal, Overweight, or Obesity) based on standard classifications. Our tool supports both **metric units** (kilograms and centimeters) and **imperial units** (pounds, feet, and inches) for your convenience. Use this tool as a quick health screening indicator. For more health-related tools, check out our Daily Affirmation or other Wellness Tools.

How to Use the Free Online BMI Calculator

How to Use This Tool

How to Calculate Your BMI

  1. 1

    Select your preferred unit system: Metric (kilograms, centimeters) or Imperial (pounds, feet, inches).

  2. 2

    Enter your height. For Metric, use centimeters. For Imperial, enter feet and inches separately.

  3. 3

    Enter your weight. For Metric, use kilograms. For Imperial, use pounds.

  4. 4

    Click the "Calculate BMI" button.

  5. 5

    Your calculated Body Mass Index (BMI) value and corresponding weight category (e.g., Normal weight, Overweight) will be displayed.

  6. 6

    Use the result as a general indicator of body fatness for adults. Consult a healthcare professional for personalized health advice.

Understanding BMI Categories (WHO Standards for Adults)

  1. 1

    Underweight: BMI less than 18.5

  2. 2

    Normal weight: BMI 18.5 to 24.9

  3. 3

    Overweight: BMI 25 to 29.9

  4. 4

    Obesity: BMI 30 or greater

  5. 5

    Note: BMI is a screening tool and may not accurately reflect body composition in athletes or individuals with high muscle mass.

Cookie Settings

We use cookies to enhance your experience and analyze site traffic. By clicking "Accept All", you consent to our use of cookies.

Privacy Preferences

We and our partners share information on your use of this website to help improve your experience. For more information, or to opt out click the Do Not Sell My Information button below.