Body Fat Calculator
HealthEstimate body fat percentage using the scientifically validated US Navy circumference method. Accurate within 3-4% of DEXA scan results.
Frequently Asked Questions
It is highly accurate for estimation purposes, usually within 3-4% of expensive DEXA scan results.
Formula:
Men: BF = 86.010 * log10(waist - neck) - 70.041 * log10(height) + 36.76; Women: BF = 163.205 * log10(waist + hip - neck) - 97.684 * log10(height) - 78.387
Body Fat Results
Enter Body Measurements
Use a soft tape measure at minimal tension. Measure neck, waist, and hip.