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Body Mass Index(BMI) Calculator

Body Mass Index (BMI) Calculator determine your body mass index to enter simply your height and weight. BMI, is a measurement used to assess your body fat based on your height and weight. It's a simple and widely used tool to categorize people into different weight groups, such as underweight, normal weight, overweight, and obese.

What is BMI?

Body Mass Index (BMI) is a quick calculation based on your height and weight. It helps determine if you’re underweight, at a healthy weight, overweight, or obese. It’s a useful tool for assessing health risks.

BMI Categories:

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

How to Calculate BMI?

You can calculate your BMI with this formula:

  • Metric: BMI = weight (kg) / height² (m²)
  • Imperial: BMI = (weight (lbs) / height² (in²)) x 703

For example, if you weigh 70 kg and are 1.75 m tall:

  • BMI = 70 / (1.75 * 1.75) = 22.86 (Normal weight)

Or if you weigh 154 lbs and are 68 inches tall:

  • BMI = (154 / (68 * 68)) x 703 = 23.39 (Normal weight)

Why is BMI Important?

BMI helps identify potential health risks related to your weight, such as heart disease, diabetes, and high blood pressure. Regularly checking your BMI is a good way to track your health and fitness goals.

What Does Your BMI Mean?

  • Underweight (BMI < 18.5): You may need to gain weight. Consult a healthcare professional.
  • Normal weight (BMI 18.5 – 24.9): You're in the healthy range. Keep up with balanced nutrition and exercise.
  • Overweight (BMI 25 – 29.9): Consider a healthier lifestyle to reduce risks.
  • Obese (BMI ≥ 30): You may need a weight management plan to lower health risks.