diff --git a/src/ifcpatch/test/test_ConvertPropertiesToQuantities.py b/src/ifcpatch/test/test_ConvertPropertiesToQuantities.py
new file mode 100644
index 0000000000..830495f74f
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+++ b/src/ifcpatch/test/test_ConvertPropertiesToQuantities.py
@@ -0,0 +1,67 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import ifcpatch
+import ifcopenshell
+import ifcopenshell.api.pset
+import ifcopenshell.api.root
+import ifcopenshell.util.element
+import test.bootstrap
+
+
+class TestConvertPropertiesToQuantities(test.bootstrap.IFC4):
+    def test_run(self):
+        TEST_DATA = {
+            "IFC2X3": ("IfcWall", "Qto_WallBaseQuantities", "Area", "NetSideArea"),
+            "IFC4": ("IfcWall", "Qto_WallBaseQuantities", "Area", "NetSideArea"),
+            "IFC4X3": ("IfcRail", "Qto_RailBaseQuantities", "RailLength", "Length"),
+        }
+
+        ifc_class, qto_name, source_quantity_name, destination_quantity_name = TEST_DATA[self.file.schema]
+
+        element = ifcopenshell.api.root.create_entity(self.file, ifc_class=ifc_class)
+        pset_name = "Foo_Bar"
+        pset = ifcopenshell.api.pset.add_pset(self.file, product=element, name="Foo_Bar")
+        pset_data = {source_quantity_name: 25.0}
+        ifcopenshell.api.pset.edit_pset(self.file, pset=pset, properties=pset_data)
+
+        output = ifcpatch.execute(
+            {
+                "file": self.file,
+                "recipe": "ConvertPropertiesToQuantities",
+                "arguments": [source_quantity_name, destination_quantity_name],
+            }
+        )
+        assert isinstance(output, ifcopenshell.file)
+
+        new_element = output.by_type(ifc_class)[0]
+        psets = ifcopenshell.util.element.get_psets(new_element, psets_only=True)
+        del psets[pset_name]["id"]
+        assert psets == {"Foo_Bar": pset_data}
+
+        qtos = ifcopenshell.util.element.get_psets(new_element, qtos_only=True)
+        del qtos[qto_name]["id"]
+        assert qtos == {qto_name: {destination_quantity_name: 25}}
+
+
+class TestConvertPropertiesToQuantitiesIFC2X3(test.bootstrap.IFC2X3, TestConvertPropertiesToQuantities):
+    pass
+
+
+class TestConvertPropertiesToQuantitiesIFC4X3(test.bootstrap.IFC4X3, TestConvertPropertiesToQuantities):
+    pass