BMI Calculator Free

Metric & Imperial · history · export · tips

v1.0

Result

BMI value, category, healthy range, tips

BMI
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-
Healthy BMI Range
18.5 — 24.9
Healthy weight range for your height
Recommended
Enter your details and calculate to get personalized tips.

BMI Categories

  • Underweight < 18.5
  • Normal weight 18.5 — 24.9
  • Overweight 25 — 29.9
  • Obesity ≥ 30

Chart

History

BMI Calculator – Calculate Your Body Mass Index Accurately

The BMI Calculator is a free online tool that helps you calculate your Body Mass Index (BMI) based on your height and weight. It instantly determines whether you are underweight, normal weight, overweight, or obese.

BMI is one of the most widely used health indicators by doctors, fitness experts, and healthcare organizations worldwide. This calculator provides fast, accurate, and easy-to-understand results.

Whether you are tracking fitness progress, managing weight, or monitoring health, this BMI calculator removes guesswork and delivers reliable results.

What Is Body Mass Index (BMI)?

Body Mass Index (BMI) is a numerical value calculated using your height and weight. It is used to assess whether your body weight is healthy in relation to your height.

BMI is commonly used in medical screenings, fitness programs, and public health assessments. While it does not measure body fat directly, it provides a useful general guideline for weight-related health risks.

How Does the BMI Calculator Work?

The BMI calculator uses a standard mathematical formula recognized by the World Health Organization (WHO):

The result is displayed along with the corresponding BMI category to help you understand your health status.

How to Use the BMI Calculator

  1. Enter your height and weight.
  2. Select your preferred measurement units.
  3. Click the Calculate BMI button.
  4. View your BMI value and health category.

The calculation is instant and does not store or share personal data.

BMI Categories Explained

These categories help identify potential health risks associated with body weight.

Who Can Use This BMI Calculator?

Why BMI Is Important for Health

Maintaining a healthy BMI reduces the risk of chronic conditions such as heart disease, diabetes, and high blood pressure. Monitoring BMI regularly can help detect potential health issues early.

While BMI is not a perfect measurement, it remains a valuable screening tool when used alongside other health indicators.

Benefits of Using This BMI Calculator

Frequently Asked Questions

What is a BMI calculator?

A BMI calculator measures Body Mass Index using height and weight to determine weight health categories.

Is BMI accurate for everyone?

BMI is a general guideline and may not fully reflect muscle mass or body fat distribution.

Can BMI help with weight loss?

Yes, BMI provides a starting point for understanding weight-related health risks.

Is this BMI calculator free?

Yes, it is completely free with unlimited use.

Final Thoughts

The BMI Calculator is a reliable and simple tool for assessing body weight health. It helps users make informed decisions about fitness and lifestyle changes.

Use this calculator regularly to stay aware of your health status.

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