diff --git a/opm/parser/eclipse/Units/ConversionFactors.hpp b/opm/parser/eclipse/Units/ConversionFactors.hpp
index 46cbd05de..93b267800 100644
--- a/opm/parser/eclipse/Units/ConversionFactors.hpp
+++ b/opm/parser/eclipse/Units/ConversionFactors.hpp
@@ -207,6 +207,7 @@ namespace Opm {
         const double OilDissolutionFactor = LiquidSurfaceVolume/GasSurfaceVolume;
         const double Density              = kilogram/cubic(meter);
         const double PolymerDensity       = kilogram/cubic(meter);
+        const double Salinity             = kilogram/cubic(meter);
         const double Viscosity            = centi*Poise;
         const double Timestep             = day;
     }
@@ -231,6 +232,7 @@ namespace Opm {
         const double OilDissolutionFactor = LiquidSurfaceVolume/GasSurfaceVolume;
         const double Density              = pound/cubic(feet);
         const double PolymerDensity       = pound/stb;
+        const double Salinity             = pound/stb;
         const double Viscosity            = centi*Poise;
         const double Timestep             = day;
     }
diff --git a/opm/parser/eclipse/Units/UnitSystem.cpp b/opm/parser/eclipse/Units/UnitSystem.cpp
index adbd1164a..aedca48ec 100644
--- a/opm/parser/eclipse/Units/UnitSystem.cpp
+++ b/opm/parser/eclipse/Units/UnitSystem.cpp
@@ -181,6 +181,7 @@ namespace Opm {
         system->addDimension("ReservoirVolume", Metric::ReservoirVolume );
         system->addDimension("Density"   , Metric::Density );
         system->addDimension("PolymerDensity", Metric::PolymerDensity);
+        system->addDimension("Salinity", Metric::Salinity);
         system->addDimension("Viscosity" , Metric::Viscosity);
         system->addDimension("Timestep"  , Metric::Timestep);
         system->addDimension("ContextDependent", std::numeric_limits<double>::quiet_NaN());
@@ -208,6 +209,7 @@ namespace Opm {
         system->addDimension("ReservoirVolume", Field::ReservoirVolume );
         system->addDimension("Density", Field::Density );
         system->addDimension("PolymerDensity", Field::PolymerDensity);
+        system->addDimension("Salinity", Field::Salinity);
         system->addDimension("Viscosity", Field::Viscosity);
         system->addDimension("Timestep", Field::Timestep);
         system->addDimension("ContextDependent", std::numeric_limits<double>::quiet_NaN());