BMI Calculator

BMI Calculator

Modify the values and click the calculate button to use

ages: 2 – 120
cm
kg
ages: 2 – 120
lbs
ages: 2 – 120

Result

Enter your information and click “Calculate” to see your results.

BMI Introduction

BMI is a measurement of a person’s leanness or corpulence based on their height and weight, and is intended to quantify tissue mass. It is widely used as a general indicator of whether a person has a healthy body weight for their height.

BMI Table for Adults

This is the World Health Organization’s (WHO) recommended body weight based on BMI values for adults. It is used for both men and women, age 20 or older.

Classification BMI range – kg/m2
Severe Thinness < 16
Moderate Thinness 16 – 17
Mild Thinness 17 – 18.5
Normal 18.5 – 25
Overweight 25 – 30
Obese Class I 30 – 35
Obese Class II 35 – 40
Obese Class III > 40

🧾 Free BMI Calculator – Know Your Ideal Weight in Seconds

🧍 What is BMI and Why It Matters

Body Mass Index (BMI) is a simple yet powerful tool used to determine whether your weight is healthy for your height. It gives you an idea of where you stand on the weight scale — underweight, normal, overweight, or obese — and helps you make informed decisions about your health and fitness goals.

Whether you’re trying to gain, lose, or maintain your weight, knowing your BMI is a helpful first step toward understanding your body better.


⚙️ How to Use the Free BMI Calculator

Using our BMI Calculator is quick, easy, and completely free. Here’s how it works:

  1. Enter your height in centimeters or feet & inches.
  2. Enter your weight in kilograms or pounds.
  3. Click the “Calculate” button.
  4. Instantly get your BMI result and its category (e.g., Normal, Overweight, etc.).

No login, no ads, no confusion — just instant, reliable results.


🎯 Why Use This BMI Calculator?

  • Simple & Fast – Takes just seconds to use
  • Mobile-Friendly – Works perfectly on phones and tablets
  • No Data Stored – Your privacy is respected
  • Free Forever – No hidden fees or limitations

Unlike other sites, we don’t collect your data or show annoying popups. Our goal is to give you fast answers when you need them most.


📊 BMI Ranges Explained

Here’s a quick overview of what your BMI result means:

  • Underweight: BMI less than 18.5
  • Normal weight: BMI between 18.5 – 24.9
  • Overweight: BMI between 25 – 29.9
  • Obese: BMI 30 or higher

Remember, BMI is only a general guide — it doesn’t measure body fat directly and may not apply accurately to athletes or people with high muscle mass.


⚠️ Disclaimer

This tool is intended for informational and educational purposes only. It is not a substitute for medical advice, diagnosis, or treatment. For personalized health recommendations, always consult with a doctor or certified health professional.