BMI Formula:
From: | To: |
Body Mass Index (BMI) is a simple index of weight-for-height that is commonly used to classify underweight, normal weight, overweight and obesity in adults. For females, BMI interpretation may vary slightly with age.
The calculator uses the standard BMI formula:
Where:
Explanation: The result is adjusted for interpretation based on female-specific guidelines and age considerations.
Details: BMI provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems more objectively with their patients.
Tips: Enter weight in kilograms, height in meters, and age in years. All values must be valid (weight > 0, height > 0, age between 1-120).
Q1: Is BMI different for females and males?
A: The calculation is the same, but interpretation may vary slightly, especially for athletes or different age groups.
Q2: What are normal BMI values for adult females?
A: Generally 18.5-24.9 kg/m² is considered normal, though this may vary slightly with age.
Q3: How does age affect BMI interpretation?
A: For older women, a slightly higher BMI might be acceptable, while for younger females, growth charts are often used.
Q4: Are there limitations to BMI?
A: BMI doesn't distinguish between muscle and fat, so muscular individuals may have high BMI without excess fat.
Q5: Should BMI be the only measure of healthy weight?
A: No, waist circumference and other factors should also be considered for a complete assessment.