Free BMI Calculator
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BMI Calculator

Please note that the results given from this calculator are approximate and may not be entirely accurate. For a more accurate assessment, consult a healthcare provider.

Understanding Your BMI

The Body Mass Index (BMI) is a simple calculation using a person’s height and weight. The formula is BMI = kg/m2 where kg is a person's weight in kilograms and m2 is their height in meters squared. A BMI calculator is a useful tool to determine whether you are underweight, normal weight, overweight, or obese based on your height and weight.

What Does Your BMI Mean?

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

How to Use the BMI Calculator

To use the BMI calculator, follow these simple steps:

  1. Enter your height in feet and inches.
  2. Enter your weight in pounds (lbs).
  3. Click the "Calculate BMI" button to see your results.

The calculator will display your BMI and the corresponding weight category. Keep in mind that BMI is a general indicator and may not be accurate for all individuals, particularly athletes or those with high muscle mass.

Frequently Asked Questions About BMI

Is BMI a reliable indicator of body fatness?

BMI is a useful screening tool for categorizing individuals based on body weight relative to height. However, it does not directly measure body fat. Other factors like muscle mass, bone density, and distribution of fat can also influence BMI. Therefore, it's important to use BMI as a general guideline rather than a definitive measure of body fatness.

Can BMI be used for children?

BMI can be used for children and teens, but it is interpreted differently than for adults. Children's BMI is age- and sex-specific and is often referred to as BMI-for-age. Consult a healthcare provider to determine the appropriate BMI category for children.

How can I improve my BMI?

Improving your BMI generally involves making lifestyle changes such as eating a balanced diet, engaging in regular physical activity, and maintaining a healthy weight. Consult with a healthcare provider or a registered dietitian for personalized advice and guidance.