Body Fat Calculator
Estimate your body fat percentage using the US Navy method.
Result will appear here...
About Body Fat Calculator
Body Fat Calculator is a free online tool that estimates your body fat percentage using the U.S. Navy circumference method, based on height, neck, waist, and (for women) hip measurements.
Simply measure yourself with a tape measure, enter the values, and instantly get an estimated body fat percentage without needing calipers or a DEXA scan.
This tool is useful for fitness enthusiasts, athletes, and anyone tracking body composition changes over time.
How to Use Body Fat Calculator Online
1. Take Your Measurements
Measure your height, neck, waist, and hip (for women) with a tape measure.
2. Enter Your Measurements
Input the values along with your gender.
3. View Body Fat Estimate
See your estimated body fat percentage instantly.
Features
Instant body fat percentage estimate
Uses the proven US Navy method
No calipers or special equipment needed
Works for both men and women
No signup required
Fast and private calculation
Why Use This Tool?
Helps track body composition over time
Useful for fitness and health goals
No expensive equipment required
Clarifies progress beyond just body weight
Free and instant results
Simple, easy-to-use interface
Frequently Asked Questions
How accurate is the US Navy method?
+What measurements do I need?
+Where should I measure my waist?
+Does this work for all body types?
+Is the Body Fat Calculator free?
+Is this tool free to use?
+Do I need to create an account?
+Are my files secure?
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