BMI Calculator – Calculate Your Body Mass Index | CalHub

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BMI Calculator

Calculate your Body Mass Index (BMI) instantly and check your health status.


Your BMI

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What Is BMI (Body Mass Index)?

BMI (Body Mass Index) is a commonly used health metric that estimates whether a person has a healthy body weight for their height. It is calculated using your weight and height and helps classify individuals into categories such as underweight, normal weight, overweight, or obese.

Doctors and health professionals often use BMI as a screening tool to assess potential health risks related to body fat, including heart disease, diabetes, and high blood pressure.

How to Use the CalHub BMI Calculator

  1. Enter your weight in kilograms (kg).
  2. Enter your height in centimeters (cm).
  3. Click “Calculate BMI” to instantly see your BMI value and weight category.

The CalHub BMI Calculator uses the standard BMI formula recommended by health organizations to provide fast and reliable results for adults.

BMI Categories Explained

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

Why Use the CalHub BMI Calculator?

  • 100% Free: No sign-up or hidden charges.
  • Instant Results: Get BMI calculations in seconds.
  • Accurate: Uses the globally accepted BMI calculation formula.
  • Privacy-Friendly: No personal data is saved or tracked.
  • Beginner-Friendly: Simple interface for all users.

Frequently Asked Questions (FAQs)

BMI indicates whether your body weight is considered underweight, normal, overweight, or obese based on your height and weight.

This BMI calculator is intended for adults. Children and teens require age- and gender-specific BMI percentiles. Consult a pediatrician for accurate assessment.

Yes, the CalHub BMI Calculator is completely free and requires no registration.

The calculator uses the standard BMI formula accepted worldwide. However, BMI does not directly measure body fat and should be considered a general guideline.

No. All BMI calculations are performed locally in your browser, and no personal data is stored or transmitted.

Disclaimer: This BMI calculator is for informational purposes only and does not replace professional medical advice. Always consult a healthcare provider for health concerns.