BMI Calculator

Your Body Mass Index (BMI) is a simple and effective way to assess whether your weight is in a healthy range for your height. This free BMI Calculator instantly calculates your BMI and categorizes it as underweight, healthy, overweight, or obese based on World Health Organization (WHO) guidelines.
Whether you’re starting a fitness journey, tracking progress, or just curious about your health status, this tool gives you quick, accurate results so you can make informed lifestyle decisions. Enter your details below and find your BMI in seconds.

Introduction to BMI Calculator

Body Mass Index (BMI) is a simple and widely used tool to estimate body fat based on your weight and height. It helps you understand whether you are underweight, normal weight, overweight, or obese, which can be an indicator of your overall health.

Why is BMI Important?

Health Insights: BMI provides a quick snapshot of your weight status, which can help identify potential health risks such as heart disease, diabetes, and high blood pressure.
Fitness Goals: Whether you're aiming to lose, gain, or maintain weight, knowing your BMI can guide your fitness journey.
Universal Tool: BMI is a standard measurement used by healthcare professionals worldwide.

How to Use This Calculator:

Select your preferred unit system (US, Metric, or Other).
Enter your gender, age, weight, and height.
Click Calculate BMI to see your result.
Check the BMI range to understand where you stand:
- Underweight: BMI < 18.5
- Normal: BMI 18.5 – 24.9
- Overweight: BMI 25 – 29.9
- Obesity: BMI ≥ 30

Note: While BMI is a useful tool, it does not account for muscle mass, bone density, or overall body composition. For a comprehensive health assessment, consult a healthcare professional.

BMI Calculator

BMI CALCULATOR

Enter the values and click the calculate BMI button for result

Select Units: Gender: Age: Weight: Height:

RESULT

BMI Ranges:

Underweight: < 18.5

Normal: 18.5 – 24.9

Overweight: 25 – 29.9

Obesity: ≥ 30