# Degree of Saturation (SR)

“Degree of Saturation” (SR) is an engineering geology term and refers to the ratio of the volume of water to the total volume of void space. The Degree of Saturation or SR-value ranges from 0% to 100% (0% being completely dry, and 100% being fully saturated).

## Degree of Saturation Formula

Degree of Saturation (SR) = [(Volume of Water) ÷ (Total Volume of Void Space)]