BMI Calculator - Free Online Body Mass Index Calculator

BMI Calculator

Calculate your Body Mass Index (BMI) to assess if you're at a healthy weight

What is BMI?

Body Mass Index (BMI) is a simple measure that uses your height and weight to work out if your weight is healthy. It's used by healthcare professionals as a screening tool to identify potential weight problems in adults.

How to Use This Calculator
  1. Enter your height (in centimeters or feet)
  2. Enter your weight (in kilograms or pounds)
  3. Click "Calculate BMI" to see your results
  4. Review your BMI category and recommendations

Calculate Your BMI

Understanding BMI Categories

BMI Range Category Health Risk
Below 18.5 Underweight Higher risk of nutritional deficiencies and osteoporosis
18.5 - 24.9 Normal Weight Lower risk of health problems
25.0 - 29.9 Overweight Increased risk of heart disease and diabetes
30.0 or higher Obesity High risk of heart disease, diabetes, and other health issues
BMI Limitations

While BMI is a useful screening tool, it has some limitations:

  • It may overestimate body fat in athletes and muscular individuals
  • It may underestimate body fat in older persons and those who have lost muscle mass
  • It doesn't account for factors like age, gender, ethnicity, and muscle mass
  • It's not suitable for pregnant women or children
Next Steps

If you're concerned about your BMI result, consider:

  • Consulting with a healthcare provider
  • Using our Calorie Calculator to determine your daily caloric needs
  • Checking our Ideal Weight Calculator for a more comprehensive assessment
  • Maintaining a balanced diet and regular exercise routine