Water Density Reference

Water density drives buoyancy and the depth-to-pressure conversion a dive planner uses. Conventional reference values (kg/m³): saltwater ≈ 1025 (1.025 kg/L), freshwater ≈ 1000 (1.000 kg/L), brackish ≈ 1010 (1.010 kg/L). Saltwater is denser than fresh water, so a diver carries more weight in the sea than in a quarry. Reference only.

Sources

• NOAA / standard hydrostatic reference densities