Body Fat Calculator
Estimate your body fat percentage using the US Navy method or the simpler BMI-based method.
A body fat calculator estimates your body fat percentage using the US Navy method (based on body measurements) or a BMI-based method.
Navy (Male): BF% = 495 / (1.0324 − 0.19077×log(waist − neck) + 0.15456×log(height)) − 450
Healthy body fat ranges: Men 14-24%, Women 21-31%. Athletic: Men 6-13%, Women 14-20%. The Navy method is accurate within ~3-4% of DEXA scans.
Body Fat Categories (Men)
Essential 2-5%Athletes 6-13%Fitness 14-17%Average 18-24%Obese 25%+
Body Fat Categories (Women)
Essential 10-13%Athletes 14-20%Fitness 21-24%Average 25-31%Obese 32%+