What is the Body Fat % Calculator?
The Body Fat % Calculator is a powerful online tool designed to help you perform accurate various calculations with ease. Whether you're a student, professional, or someone who needs quick and reliable calculations, this calculator provides instant results using industry-standard formulas and methodologies.
Our Body Fat % Calculator is part of Base Calculators, a comprehensive suite of free online calculators trusted by millions of users worldwide. All calculations are performed locally in your browser, ensuring your data remains private and secure while delivering lightning-fast results.
Formula and Variables
Body fat percentage using Navy method: Men: %BF = 495 / (1.0324 - 0.19077 × log10(waist - neck) + 0.15456 × log10(height)) - 450. Women: %BF = 495 / (1.29579 - 0.35004 × log10(waist + hip - neck) + 0.22100 × log10(height)) - 450.
| Variable | Description |
|---|---|
gender | Gender |
height | Height (cm) (cm) |
neck | Neck (cm) (cm) |
waist | Waist (cm) (cm) |
hip | Hip (cm, females only) (cm) |
How to Use the Body Fat % Calculator
- Enter the required values in the clearly labeled input fields. Each field includes helpful hints and unit indicators where applicable.
- Use the provided examples to quickly populate realistic values and understand different calculation scenarios.
- Review the detailed results displayed in the output section, including step-by-step breakdowns and explanations.
- Experiment with different input values to explore various scenarios - results update automatically as you type.
- Save or share your calculations using the built-in tools, or print the results for your records.
Practical Examples
Example 1
Male: 180cm, neck 40, waist 85
- Gender: male
- Height (cm): 180
- Neck (cm): 40
- Waist (cm): 85
Example 2
Female: 165cm, neck 34, waist 75, hip 95
- Gender: female
- Height (cm): 165
- Neck (cm): 34
- Waist (cm): 75
- Hip (cm, females only): 95
Key Benefits & Features
✓ Instant, accurate calculations with real-time results
✓ Mobile-responsive design that works on all devices
✓ No registration required - completely free to use
✓ Privacy-focused - all calculations done locally
✓ Professional-grade accuracy with detailed explanations
✓ Easy-to-understand interface suitable for all skill levels
Common Use Cases
The Body Fat % Calculator is perfect for:
- •Professional and business applications
- •Academic and educational purposes
- •Personal planning and decision making
- •Research and analysis projects
- •Quick reference and verification