diff --git a/tests/src/Mod/Part/App/FeaturePartCommon.cpp b/tests/src/Mod/Part/App/FeaturePartCommon.cpp
index 673a697a3d..d8098d03ed 100644
--- a/tests/src/Mod/Part/App/FeaturePartCommon.cpp
+++ b/tests/src/Mod/Part/App/FeaturePartCommon.cpp
@@ -112,8 +112,7 @@ TEST_F(FeaturePartCommonTest, testBarelyIntersecting)
     _common->execute();
     Part::TopoShape ts = _common->Shape.getValue();
     double volume = PartTestHelpers::getVolume(ts.getShape());
-    double target =
-        Base::Precision::Confusion() * 3 * 1000;  // Reduce precision to 1e04 over 3 dimensions
+    double target = PartTestHelpers::minimalDistance * 3; // 3 dimensions in a Volume
     Base::BoundBox3d bb = ts.getBoundBox();
 
     // Assert
@@ -123,7 +122,7 @@ TEST_F(FeaturePartCommonTest, testBarelyIntersecting)
     EXPECT_FLOAT_EQ(volume, target);  // Should be approximately 0.00029999999999996696
     // double check using bounds:
     EXPECT_DOUBLE_EQ(bb.MinX, 0.0);
-    EXPECT_DOUBLE_EQ(bb.MinY, 1.9999);
+    EXPECT_DOUBLE_EQ(bb.MinY, 2.0 - PartTestHelpers::minimalDistance);
     EXPECT_DOUBLE_EQ(bb.MinZ, 0.0);
     EXPECT_DOUBLE_EQ(bb.MaxX, 1.0);
     EXPECT_DOUBLE_EQ(bb.MaxY, 2.0);
diff --git a/tests/src/Mod/Part/App/FeaturePartCut.cpp b/tests/src/Mod/Part/App/FeaturePartCut.cpp
index f512c69f53..48d273bbfe 100644
--- a/tests/src/Mod/Part/App/FeaturePartCut.cpp
+++ b/tests/src/Mod/Part/App/FeaturePartCut.cpp
@@ -129,8 +129,7 @@ TEST_F(FeaturePartCutTest, testBarelyIntersecting)
     _cut->execute();
     Part::TopoShape ts = _cut->Shape.getValue();
     double volume = PartTestHelpers::getVolume(ts.getShape());
-    double target =
-        6 - Base::Precision::Confusion() * 3 * 1000;  // Reduce precision to 1e04 over 3 dimensions
+    double target = 6 - PartTestHelpers::minimalDistance * 3; // 3 dimensions in a Volume
     Base::BoundBox3d bb = ts.getBoundBox();
 
     // Assert
@@ -143,7 +142,7 @@ TEST_F(FeaturePartCutTest, testBarelyIntersecting)
     EXPECT_DOUBLE_EQ(bb.MinY, 0.0);
     EXPECT_DOUBLE_EQ(bb.MinZ, 0.0);
     EXPECT_DOUBLE_EQ(bb.MaxX, 1.0);
-    EXPECT_DOUBLE_EQ(bb.MaxY, 1.9999);
+    EXPECT_DOUBLE_EQ(bb.MaxY, 2.0 - PartTestHelpers::minimalDistance);
     EXPECT_DOUBLE_EQ(bb.MaxZ, 3.0);
 }
 
diff --git a/tests/src/Mod/Part/App/FeaturePartFuse.cpp b/tests/src/Mod/Part/App/FeaturePartFuse.cpp
index a9db9b4b8b..432dc9f58a 100644
--- a/tests/src/Mod/Part/App/FeaturePartFuse.cpp
+++ b/tests/src/Mod/Part/App/FeaturePartFuse.cpp
@@ -130,8 +130,7 @@ TEST_F(FeaturePartFuseTest, testBarelyIntersecting)
     _fuse->execute();
     Part::TopoShape ts = _fuse->Shape.getValue();
     double volume = PartTestHelpers::getVolume(ts.getShape());
-    double target =
-        12 - Base::Precision::Confusion() * 3 * 1000;  // Reduce precision to 1e04 over 3 dimensions
+    double target = 12 - PartTestHelpers::minimalDistance * 3; // 3 dimensions in a Volume
     Base::BoundBox3d bb = ts.getBoundBox();
 
     // Assert
@@ -144,7 +143,7 @@ TEST_F(FeaturePartFuseTest, testBarelyIntersecting)
     EXPECT_DOUBLE_EQ(bb.MinY, 0.0);
     EXPECT_DOUBLE_EQ(bb.MinZ, 0.0);
     EXPECT_DOUBLE_EQ(bb.MaxX, 1.0);
-    EXPECT_DOUBLE_EQ(bb.MaxY, 3.9999);
+    EXPECT_DOUBLE_EQ(bb.MaxY, 4.0 - PartTestHelpers::minimalDistance);
     EXPECT_DOUBLE_EQ(bb.MaxZ, 3.0);
 }
 
diff --git a/tests/src/Mod/Part/App/PartTestHelpers.cpp b/tests/src/Mod/Part/App/PartTestHelpers.cpp
index ab8d8f60ec..cbaa02e3d4 100644
--- a/tests/src/Mod/Part/App/PartTestHelpers.cpp
+++ b/tests/src/Mod/Part/App/PartTestHelpers.cpp
@@ -22,7 +22,7 @@ void PartTestHelperClass::createTestDoc()
         Base::Vector3d(0, 2, 0),                                 // Touch the first box
         Base::Vector3d(0, 2 + Base::Precision::Confusion(), 0),  // Just Outside of touching
         // For just inside of touching, go enough that precision rounding doesn't make us overlap.
-        Base::Vector3d(0, 2 - Base::Precision::Confusion() * 1000, 0)};
+        Base::Vector3d(0, 2 - minimalDistance, 0)};
 
     // for (auto& [box, origin] : zip(_boxes, box_origins) ) {
     // for ( int i : range(0,_boxes.size())) {
diff --git a/tests/src/Mod/Part/App/PartTestHelpers.h b/tests/src/Mod/Part/App/PartTestHelpers.h
index 0adbea84de..cc2be6e1c6 100644
--- a/tests/src/Mod/Part/App/PartTestHelpers.h
+++ b/tests/src/Mod/Part/App/PartTestHelpers.h
@@ -20,4 +20,6 @@ public:
     void createTestDoc();
 };
 
+const double minimalDistance = Base::Precision::Confusion() * 1000;
+
 }  // namespace PartTestHelpers