Body Fat Calculator
Estimate your body fat percentage using various methods
Your Body Fat Percentage
Understanding Body Fat Percentage
Your Body Fat Percentage is a key health metric that indicates the proportion of fat your body holds compared to lean mass (muscles, bones, water, etc.). Unlike BMI, which only considers weight and height, body fat percentage gives a more accurate picture of body composition and overall health.
Healthy Ranges: These vary by age and gender, but generally, lower body fat is associated with better health, though very low levels can also be detrimental.
How to Use the Body Fat Calculator
This calculator offers two common methods for estimating body fat:
- US Navy Method: This method uses body measurements (height, neck, waist, and hip circumference for women) to estimate body fat. It’s widely used due to its simplicity.
- BMI Method: This approach uses your Body Mass Index (BMI) along with age and gender to approximate body fat. While BMI alone doesn’t measure fat, combining it with other factors can provide a rough estimate.
Select your preferred method, enter the required measurements, click “Calculate Body Fat,” and see your estimated percentage and category!
Formulas Used (for informational purposes)
Please note that these formulas are complex and for reference only. The calculator handles these calculations automatically.
- US Navy Method (Male): \[\text{Body Fat } (\%)= 495 / (1.0324 – 0.19077 \times \log_{10}(\text{waist} – \text{neck}) + 0.15456 \times \log_{10}(\text{height})) – 450\]
- US Navy Method (Female): \[\text{Body Fat } (\%)= 495 / (1.29579 – 0.35004 \times \log_{10}(\text{waist} + \text{hip} – \text{neck}) + 0.22100 \times \log_{10}(\text{height})) – 450\]
- BMI Method (Male): \[\text{Body Fat } (\%)= (1.20 \times \text{BMI}) + (0.23 \times \text{Age}) – 10.8 – 5.4\]
- BMI Method (Female): \[\text{Body Fat } (\%)= (1.20 \times \text{BMI}) + (0.23 \times \text{Age}) – 5.4\]
Why Calculate Body Fat?
Monitoring your body fat percentage can help you:
- Assess Health Risk: High body fat is linked to increased risk of heart disease, diabetes, and other conditions.
- Track Fitness Progress: It’s a better indicator of progress than just weight, especially if you’re building muscle.
- Set Realistic Goals: Understand your body composition to set achievable health and fitness objectives.
Use our Body Fat Calculator as a convenient tool to gain insight into your body composition and support your health journey.