Features
About Body Fat Calculator
Our free online body fat calculator helps you estimate your body fat percentage using validated formulas based on your gender, age, height, weight, and body measurements. Understanding your body fat percentage is crucial for assessing your overall health and fitness level.
This advanced body fat calculator is perfect for:
- Calculating your body fat percentage using the Navy method and other validated formulas
- Comparing your body fat percentage with BMI to get a more complete health picture
- Understanding your body composition (lean body mass vs fat mass)
- Getting personalized health and fitness recommendations based on your results
- Receiving weekly fat loss plans tailored to your goals
- Tracking your progress over time with recent queries
- Visualizing your body fat percentage in relation to healthy ranges
Body Fat Calculation: Our calculator uses the U.S. Navy method and other established formulas to estimate body fat percentage. These methods use measurements of your waist, hip (for women), neck, and height to calculate body fat percentage.
Body Fat Categories: Body fat percentage ranges vary by gender and age. For men, essential fat is 2-5%, athletes 6-13%, fitness 14-17%, average 18-24%, and obese 25%+. For women, essential fat is 10-13%, athletes 14-20%, fitness 21-24%, average 25-31%, and obese 32%+.
BMI Comparison: While BMI is a useful screening tool, it doesn't distinguish between muscle and fat. Our calculator shows both BMI and body fat percentage to give you a more complete picture of your health.
Personalized Recommendations: Based on your body fat percentage, age, and gender, our calculator provides personalized health and fitness recommendations to help you achieve your goals.
All calculations are performed locally in your browser, ensuring complete privacy and security. No data is collected, stored, or transmitted to any server.
Frequently Asked Questions
How do I calculate my body fat percentage?
Enter your gender, age, height, weight, waist circumference, and hip circumference (for women) into the body fat calculator, then click 'Calculate Body Fat'. The calculator uses validated formulas to estimate your body fat percentage.
Is the body fat calculator free?
Yes, our body fat calculator is completely free to use. No registration, no fees, and no hidden costs.
Is my data private?
Yes, all calculations are performed locally in your browser. We don't collect, store, or transmit any of your personal information.
What is a healthy body fat percentage?
For men, a healthy body fat percentage is typically 10-20%. For women, a healthy range is usually 18-28%. However, optimal ranges can vary based on age, fitness level, and individual goals.
How accurate is the body fat calculator?
Our calculator uses validated formulas (Navy method and other established methods) to estimate body fat percentage. While not as accurate as DEXA scans or hydrostatic weighing, it provides a good estimate for most people.
What's the difference between BMI and body fat percentage?
BMI (Body Mass Index) is a ratio of weight to height and doesn't distinguish between muscle and fat. Body fat percentage measures the proportion of fat in your body. Both metrics together provide a more complete picture of your health.
Can I use this on mobile devices?
Absolutely! Our body fat calculator is fully responsive and works perfectly on desktop, tablet, and mobile devices.
How do I measure my waist and hip circumference?
For waist: Measure around your natural waistline, usually just above your belly button. For hip (women): Measure around the widest part of your hips. Use a flexible measuring tape and measure in a relaxed state, not pulling the tape too tight.
Feedback & Suggestions
We'd love to hear from you! Share your thoughts, suggestions, or report any issues.