CALCULATOR

How to calculate body density & fat % from hydrostatic weighing

(by Jeff Tesch)

Enter the following 5 pieces of data:

1. Age in years.
2. Height to the nearest whole inch.
3. Dry weight to the nearest whole pound.
4. Water temperature (°C).
5. Immersed weight (kg), totally submerged, with air expelled from the lungs.

Age (years)*

Height (inches)*

Dry Weight (lbs)*

Water Temp (°C)*

Immersed Weight (mass (kg) of the body “in water”)*

Dw (kg/L) Hidden

Dw (kg/L)

RV (liters) Hidden

RV (liters)

Body Density Hidden

Body Density

Fat% (Siri)

Fat% (Brozek)

Submit