BMI Formula:
From: | To: |
Body Mass Index (BMI) is a value derived from the mass and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is expressed in units of kg/m².
The calculator uses the standard BMI formula:
Where:
Explanation: The formula calculates body fat based on height and weight that applies to adult women.
Details: BMI provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems objectively with their patients.
Tips: Enter weight in kilograms and height in meters. For accurate results, measure height without shoes and weight with minimal clothing.
Q1: What is a healthy BMI range for women?
A: For adult women, a BMI between 18.5 and 24.9 is generally considered healthy.
Q2: Does BMI differ for men and women?
A: The same BMI values apply to both men and women, but women tend to have more body fat than men at the same BMI.
Q3: What are the limitations of BMI?
A: BMI doesn't account for muscle mass, bone density, overall body composition, or racial and sex differences.
Q4: Is BMI accurate for athletes?
A: BMI may overestimate body fat in athletes and others with muscular builds, and underestimate body fat in older persons who have lost muscle mass.
Q5: Should pregnant women use BMI?
A: BMI calculations should use pre-pregnancy weight. Weight gain recommendations during pregnancy should be based on pre-pregnancy BMI.