BMI Calculator

Use our interactive BMI calculator to understand your weight status and take control of your health.

Your BMI Results

Weight Status:

What does this mean?

Note: BMI is a general indicator and doesn't account for factors like muscle mass, age, or gender. For a more comprehensive health assessment, consult with a healthcare professional.

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Dive Deeper on Body Mass Index (BMI)

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Understanding BMI

Body Mass Index (BMI) is a simple measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult's weight in kilograms by their height in metres squared.

BMI Categories

  • Underweight: BMI below 18.5
  • Normal weight: BMI 18.5 to 24.9
  • Overweight: BMI 25 to 29.9
  • Obese: BMI 30 or greater

Limitations of BMI

While BMI is a useful measure for most people, it does have some limitations:

  • It may overestimate body fat in athletes and others who have a muscular build.
  • It may underestimate body fat in older persons and others who have lost muscle.
  • It doesn't account for where fat is stored in the body. Abdominal fat, for instance, may be a greater health risk.

Health Risks Associated with BMI

Being outside the healthy BMI range can increase your risk of certain health conditions:

  • Underweight: Malnutrition, osteoporosis, decreased immune function
  • Overweight/Obese: Heart disease, type 2 diabetes, certain cancers, sleep apnea

Tips for Maintaining a Healthy BMI

  1. Eat a balanced diet rich in fruits, vegetables, whole grains, and lean proteins.
  2. Stay hydrated by drinking plenty of water throughout the day.
  3. Engage in regular physical activity, aiming for at least 150 minutes of moderate-intensity exercise per week.
  4. Get adequate sleep, typically 7-9 hours per night for adults.
  5. Manage stress through techniques like meditation, yoga, or deep breathing exercises.

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Frequently Asked Questions

It's generally recommended to check your BMI once or twice a year, or more frequently if you're actively trying to lose or gain weight under medical supervision.

BMI is interpreted differently for children and teens. Age and sex-specific percentiles are used instead of the adult BMI categories. It's best to consult with a pediatrician for accurate interpretation of BMI in children and adolescents.

Yes, BMI can be misleading for athletes, bodybuilders, or individuals with high muscle mass. BMI doesn't differentiate between muscle and fat, so someone with a lot of muscle might have a high BMI but still be healthy.

Yes, there are several alternatives to BMI, including body fat percentage measurements, waist circumference, waist-to-hip ratio, and DEXA scans. These methods can provide more detailed information about body composition.

The standard BMI calculation doesn't account for age or gender differences. However, these factors can influence healthy weight ranges. Some health professionals use age and gender-specific BMI charts, especially for children and older adults.

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