A body fat helps you calculate body fat values accurately and instantly.
Calculate your body fat percentage using the US Navy method with simple body measurements.
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
The US Navy method estimates body fat from circumference measurements. For women, hip measurement is also required.
The Body Fat Calculator uses standard formulas to calculate your results. Enter your values in the input fields and click Calculate to see instant results.
Yes, the Body Fat Calculator on CalcMaster is completely free to use with no signup required. Your data stays in your browser and is never sent to any server.
The Body Fat Calculator uses verified formulas and provides accurate estimates for informational purposes. Results are calculated instantly in your browser.