📊 Calculate Your BMI & Body Fat %
Enter your weight, height, age, and gender to calculate your BMI, healthy weight range, and estimated body fat percentage.
ℹ️ About This Calculator
This BMI Calculator not only calculates your Body Mass Index (BMI) but also gives an estimated Body Fat Percentage using age and gender.
BMI Formula: Weight (kg) ÷ [Height (m)]²
Body Fat % Formula: (1.20 × BMI) + (0.23 × Age) – (10.8 × Gender) – 5.4
WHO BMI Categories:
- Underweight: less than 18.5
- Normal: 18.5 – 24.9
- Overweight: 25 – 29.9
- Obese: 30 or more
❓ Frequently Asked Questions
1. Why does this calculator ask for age and gender?
Because age and gender affect body fat percentage, making the calculation more accurate than BMI alone.
2. Is this body fat percentage 100% accurate?
No, it’s an estimate. For precise results, body composition tests are required.
3. What is a healthy BMI range?
A BMI between 18.5 and 24.9 is considered healthy.
4. Can BMI be misleading?
Yes, BMI does not differentiate between muscle and fat mass.
5. Should I rely only on BMI?
No, BMI is a guideline. It’s better to consider other factors like diet, lifestyle, and body fat percentage.