Body Mass Index

Calculate your Body Mass Index (BMI) to assess if your weight is healthy for your height. Understand what your BMI means and learn about maintaining a healthy weight.

Your Results

Your BMI

-

-

BMI Categories

Understanding Your BMI

BMI values are used to categorize weight status and assess potential health risks.

BMI Categories

BMI Range Category Health Risk
Below 16.0 Severe Thinness Severe health risk
16.0 - 17.0 Moderate Thinness Moderate health risk
17.0 - 18.5 Mild Thinness Mild health risk
18.5 - 24.9 Normal Low risk
25.0 - 30.0 Overweight Increased risk
30.0 - 35.0 Obese Class I High risk
35.0 - 40.0 Obese Class II Very high risk
Above 40.0 Obese Class III Extremely high risk

BMI Guide

Everything You Need to Know

Learn about BMI calculation, its importance, and its limitations in assessing health.

What is BMI?

Body Mass Index (BMI) is a simple measurement using 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 = weight (kg) ÷ height² (m²)

Health Implications

Risks of High BMI

  • Type 2 diabetes
  • Heart disease
  • High blood pressure
  • Joint problems
  • Certain cancers

Risks of Low BMI

  • Weakened immune system
  • Bone density loss
  • Anemia
  • Fertility issues
  • Nutritional deficiencies

Limitations of BMI

While BMI is a useful starting point, it has several limitations:

  • Doesn't account for muscle mass
  • May not be suitable for athletes
  • Doesn't consider body fat distribution
  • May not be appropriate for elderly people
  • Varies among different ethnic groups