BMI Calculator
Calculate your Body Mass Index
Male BMI interpretation Female BMI interpretation
Estimated Body Fat
%
Based on Deurenberg formula considering your gender, age, and BMI
Healthy range for men: 18-24% Healthy range for women: 25-31%
Healthy Weight Range
Based on BMI 18.5-24.9 for
Health Recommendations
Underweight
BMI less than 18.5
Normal weight
BMI 18.5 - 24.9
Overweight
BMI 25 - 29.9
Obese
BMI 30 or greater
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About BMI 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.
How it works
BMI is calculated by dividing your weight in kilograms by your height in meters squared. It provides a reliable indicator of body fatness for most people.
Categories
- Underweight: BMI less than 18.5
- Normal weight: BMI 18.5 - 24.9
- Overweight: BMI 25 - 29.9
- Obese: BMI 30 or greater
Gender Differences
The BMI formula is the same for men and women, but body composition differs significantly. Women naturally have ~10% more body fat than men at the same BMI.
Limitations
- Athletes with high muscle mass may have a high BMI but low body fat
- Older adults may have normal BMI but low muscle mass
- BMI doesn't account for body composition or fat distribution
- Different ethnic groups may have different health risk thresholds
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