BMI Calculator - Body Mass Index Calculator

BMI Calculator

Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. Use our calculator to determine your BMI and understand what it means for your health.

Please enter a valid age (2-120 years)
Between 2 years to 120 years
Please enter a valid height
Please enter a valid weight

Your BMI is

27.5
Overweight

Your BMI suggests you may be overweight. Consider incorporating more physical activity and a healthier diet.

BMI Categories
< 18.5
18.5-24.9
25-29.9
≥ 30
Underweight Normal Overweight Obese

Healthy BMI range: 18.5 kg/m2 - 25 kg/m2

Understanding BMI and Its Health Implications

Why Use a BMI Calculator?

  • Health Monitoring
  • Fitness Goals
  • Weight Management
  • Health Assessment

BMI provides a simple numeric measure of your weight relative to height, helping you understand if your weight is in a healthy range.

How to Calculate BMI

The BMI formula is weight in kilograms divided by height in meters squared.

Formula: BMI = kg/m2

Where kg is weight in kilograms and m2 is height in meters squared.

Health Risks of Being Overweight

Higher BMI values are associated with increased risk of:

  • Heart disease
  • Type 2 diabetes
  • High blood pressure
  • Stroke
  • Certain cancers

Risks of Being Underweight

Lower BMI values may indicate issues such as:

  • Malnutrition
  • Vitamin deficiencies
  • Weakened immune system
  • Osteoporosis
  • Fertility issues

Frequently Asked Questions

Is BMI applicable to everyone? +

BMI has limitations. It may not be an accurate indicator for athletes, elderly people, pregnant women, or people with high muscle mass. It also doesn't consider factors like age, gender, ethnicity, and body composition.

How often should I check my BMI? +

It's reasonable to check your BMI periodically, such as once every 6-12 months, or when you notice significant weight changes. Regular monitoring can help track your weight management progress.

Can children use this BMI calculator? +

This calculator is designed for adults. For children and teens, BMI percentiles are used instead, which take into account age and gender. Please consult a pediatrician for children's BMI assessment.

What should I do if my BMI indicates I'm overweight or obese? +

If your BMI indicates you're overweight or obese, consider consulting with a healthcare provider. They can provide personalized advice that may include dietary changes, increased physical activity, and other lifestyle modifications.

Disclaimer: This BMI calculator is for informational purposes only and is not intended to replace professional medical advice.