diff --git a/src/OpenFOAM/dimensionSet/dimensionSets.C b/src/OpenFOAM/dimensionSet/dimensionSets.C
index c97991a9a2..853c42a7ec 100644
--- a/src/OpenFOAM/dimensionSet/dimensionSets.C
+++ b/src/OpenFOAM/dimensionSet/dimensionSets.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2024 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -43,6 +43,8 @@ const Foam::dimensionSet Foam::dimArea(sqr(dimLength));
 const Foam::dimensionSet Foam::dimVolume(pow3(dimLength));
 const Foam::dimensionSet Foam::dimVol(dimVolume);
 
+const Foam::dimensionSet Foam::dimRate(dimless/dimTime);
+
 const Foam::dimensionSet Foam::dimVelocity(dimLength/dimTime);
 const Foam::dimensionSet Foam::dimMomentum(dimMass*dimVelocity);
 const Foam::dimensionSet Foam::dimAcceleration(dimVelocity/dimTime);
diff --git a/src/OpenFOAM/dimensionSet/dimensionSets.H b/src/OpenFOAM/dimensionSet/dimensionSets.H
index 10c4a39eea..7ff06848ca 100644
--- a/src/OpenFOAM/dimensionSet/dimensionSets.H
+++ b/src/OpenFOAM/dimensionSet/dimensionSets.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2024 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -58,6 +58,8 @@ extern const dimensionSet dimArea;
 extern const dimensionSet dimVolume;
 extern const dimensionSet dimVol;
 
+extern const dimensionSet dimRate;
+
 extern const dimensionSet dimVelocity;
 extern const dimensionSet dimMomentum;
 extern const dimensionSet dimAcceleration;