BMI Calculator

Track your health easily and quickly with our free BMI Calculator. Supports metric (kg/cm) and imperial (lbs/inches) units.

Your BMI will appear here.

BMI Calculator – Check Your Body Mass Index Instantly

Use our BMI calculator to quickly calculate your Body Mass Index (BMI) and find out if your weight falls within a healthy range. This free BMI calculator works for both metric (kg/cm) and imperial (lbs/inches) units, giving you accurate results in seconds.

  • ✔ Calculate BMI instantly using height and weight
  • ✔ Supports kg/cm and lbs/in units
  • ✔ Identify underweight, normal, overweight, or obese range
  • ✔ Fast, accurate, and mobile-friendly
  • ✔ 100% free with no signup required

BMI Categories Chart

BMI Range
Category
Health Risk
< 18.5
Underweight
Possible nutritional deficiency
18.5 – 24.9
Normal Weight
Low risk (healthy range)
25 – 29.9
Overweight
Increased health risk
30+
Obese
High risk of health conditions

BMI Formula Explained

The Body Mass Index formula is a simple calculation based on your height and weight. It helps estimate body fat and assess whether you are in a healthy weight range.

BMI = \frac{weight\ (kg)}{height^2\ (m^2)}

For imperial units, BMI is calculated using pounds and inches with a conversion factor.

Why Use a BMI Calculator?

Track Your Health

Monitor your weight category and stay within a healthy BMI range.

Set Fitness Goals

Use BMI as a baseline to plan weight loss or muscle gain.

Quick Assessment

Instantly evaluate if your body weight is appropriate for your height.

Prevent Health Risks

Identify potential risks linked to overweight or obesity early.

Key Features of This BMI Calculator

Frequently Asked Questions