diff --git a/src/Gtk/Perspex.Gtk/WindowImpl.cs b/src/Gtk/Perspex.Gtk/WindowImpl.cs
index 0435a052ba..c9ed1bdfcd 100644
--- a/src/Gtk/Perspex.Gtk/WindowImpl.cs
+++ b/src/Gtk/Perspex.Gtk/WindowImpl.cs
@@ -75,6 +75,8 @@ namespace Perspex.Gtk
             }
         }
 
+        public double Scaling => 1;
+
         IPlatformHandle ITopLevelImpl.Handle => this;
 
         [DllImport("libgdk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
diff --git a/src/Perspex.Controls/Platform/ITopLevelImpl.cs b/src/Perspex.Controls/Platform/ITopLevelImpl.cs
index 7c80b951a5..2bfb1f4a9a 100644
--- a/src/Perspex.Controls/Platform/ITopLevelImpl.cs
+++ b/src/Perspex.Controls/Platform/ITopLevelImpl.cs
@@ -22,6 +22,11 @@ namespace Perspex.Platform
         /// </summary>
         Size ClientSize { get; set; }
 
+        /// <summary>
+        /// Gets the scaling factor for the window.
+        /// </summary>
+        double Scaling { get; }
+
         /// <summary>
         /// Gets the platform window handle.
         /// </summary>
diff --git a/src/Perspex.Controls/Platform/PlatformManager.cs b/src/Perspex.Controls/Platform/PlatformManager.cs
index 6cec6cfadf..400c77d559 100644
--- a/src/Perspex.Controls/Platform/PlatformManager.cs
+++ b/src/Perspex.Controls/Platform/PlatformManager.cs
@@ -39,9 +39,6 @@ namespace Perspex.Controls.Platform
             _designerScalingFactor = factor;
         }
 
-        static double RenderScalingFactor => (GetSettings()?.RenderScalingFactor ?? 1)*_designerScalingFactor;
-        static double LayoutScalingFactor => (GetSettings()?.LayoutScalingFactor ?? 1) * _designerScalingFactor;
-
         class RenderTargetDecorator : IRenderTarget
         {
             private readonly IRenderTarget _target;
@@ -62,7 +59,7 @@ namespace Perspex.Controls.Platform
             {
                 var cs = _window.ClientSize;
                 var ctx = _target.CreateDrawingContext();
-                var factor = RenderScalingFactor;
+                var factor = _window.Scaling;
                 if (factor != 1)
                 {
                     ctx.PushPostTransform(Matrix.CreateScale(factor, factor));
@@ -79,7 +76,6 @@ namespace Perspex.Controls.Platform
             private readonly IPopupImpl _popup;
 
             public ITopLevelImpl TopLevel => _tl;
-            double ScalingFactor => LayoutScalingFactor;
 
             public WindowDecorator(ITopLevelImpl tl)
             {
@@ -93,12 +89,12 @@ namespace Perspex.Controls.Platform
 
             private void OnResized(Size size)
             {
-                Resized?.Invoke(size/ScalingFactor);
+                Resized?.Invoke(size/Scaling);
             }
 
             private void OnPaint(Rect rc)
             {
-                var f = ScalingFactor;
+                var f = Scaling;
                 Paint?.Invoke(new Rect(rc.X/f, rc.Y/f, rc.Width/f, rc.Height/f));
             }
 
@@ -106,31 +102,31 @@ namespace Perspex.Controls.Platform
             {
                 var mouseEvent = obj as RawMouseEventArgs;
                 if (mouseEvent != null)
-                    mouseEvent.Position /= ScalingFactor;
+                    mouseEvent.Position /= Scaling;
                 //TODO: Transform event coordinates
                 Input?.Invoke(obj);
             }
 
             public Point PointToScreen(Point point)
             {
-                return _tl.PointToScreen(point*ScalingFactor)/ScalingFactor;
+                return _tl.PointToScreen(point*Scaling)/Scaling;
             }
 
 
             public void Invalidate(Rect rc)
             {
-                var f = ScalingFactor;
+                var f = Scaling;
                 _tl.Invalidate(new Rect(rc.X*f, rc.Y*f, (rc.Width + 1)*f, (rc.Height + 1)*f));
             } 
 
             public Size ClientSize
             {
-                get { return _tl.ClientSize/ScalingFactor; }
-                set { _tl.ClientSize = value*ScalingFactor; }
+                get { return _tl.ClientSize/Scaling; }
+                set { _tl.ClientSize = value*Scaling; }
             }
 
-            public Size MaxClientSize => _window.MaxClientSize/ScalingFactor;
-
+            public Size MaxClientSize => _window.MaxClientSize/Scaling;
+            public double Scaling => _tl.Scaling;
             public Action<RawInputEventArgs> Input { get; set; }
             public Action<Rect> Paint { get; set; }
             public Action<Size> Resized { get; set; }
diff --git a/src/Perspex.Controls/TopLevel.cs b/src/Perspex.Controls/TopLevel.cs
index e019301609..92cc25f51a 100644
--- a/src/Perspex.Controls/TopLevel.cs
+++ b/src/Perspex.Controls/TopLevel.cs
@@ -198,6 +198,9 @@ namespace Perspex.Controls
         /// <inheritdoc/>
         Size ILayoutRoot.MaxClientSize => Size.Infinity;
 
+        /// <inheritdoc/>
+        double ILayoutRoot.LayoutScaling => PlatformImpl.Scaling;
+
         IStyleHost IStyleHost.StylingParent
         {
             get { return PerspexLocator.Current.GetService<IGlobalStyles>(); }
diff --git a/src/Perspex.Layout/ILayoutRoot.cs b/src/Perspex.Layout/ILayoutRoot.cs
index ea2083b0d0..e1a6ebe727 100644
--- a/src/Perspex.Layout/ILayoutRoot.cs
+++ b/src/Perspex.Layout/ILayoutRoot.cs
@@ -17,5 +17,10 @@ namespace Perspex.Layout
         /// The maximum client size available.
         /// </summary>
         Size MaxClientSize { get; }
+
+        /// <summary>
+        /// The scaling factor to use in layout.
+        /// </summary>
+        double LayoutScaling { get; }
     }
 }
diff --git a/src/Perspex.Layout/Layoutable.cs b/src/Perspex.Layout/Layoutable.cs
index ce47d68e4c..119622bf4b 100644
--- a/src/Perspex.Layout/Layoutable.cs
+++ b/src/Perspex.Layout/Layoutable.cs
@@ -671,9 +671,9 @@ namespace Perspex.Layout
             return new Size(Math.Max(size.Width, 0), Math.Max(size.Height, 0));
         }
 
-        private static double GetLayoutScale()
+        private double GetLayoutScale()
         {
-            return PerspexLocator.Current.GetService<IPlatformSettings>()?.LayoutScalingFactor ?? 1.0;
+            return (VisualRoot as ILayoutRoot)?.LayoutScaling ?? 1.0;
         }
     }
 }
diff --git a/src/Perspex.SceneGraph/Platform/IPlatformSettings.cs b/src/Perspex.SceneGraph/Platform/IPlatformSettings.cs
index 9b680a388d..d269d01c1c 100644
--- a/src/Perspex.SceneGraph/Platform/IPlatformSettings.cs
+++ b/src/Perspex.SceneGraph/Platform/IPlatformSettings.cs
@@ -10,9 +10,5 @@ namespace Perspex.Platform
         Size DoubleClickSize { get; }
 
         TimeSpan DoubleClickTime { get; }
-
-        double RenderScalingFactor { get; }
-
-        double LayoutScalingFactor { get; }
     }
 }
diff --git a/src/Windows/Perspex.Win32/WindowImpl.cs b/src/Windows/Perspex.Win32/WindowImpl.cs
index 49383c10e3..f003c9a5a9 100644
--- a/src/Windows/Perspex.Win32/WindowImpl.cs
+++ b/src/Windows/Perspex.Win32/WindowImpl.cs
@@ -103,6 +103,8 @@ namespace Perspex.Win32
             }
         }
 
+        public double Scaling => 1;
+
         public IPlatformHandle Handle
         {
             get;
diff --git a/tests/Perspex.Controls.UnitTests/ControlTests.cs b/tests/Perspex.Controls.UnitTests/ControlTests.cs
index 30c1aafc38..2ef3cdd9d4 100644
--- a/tests/Perspex.Controls.UnitTests/ControlTests.cs
+++ b/tests/Perspex.Controls.UnitTests/ControlTests.cs
@@ -174,6 +174,8 @@ namespace Perspex.Controls.UnitTests
                 get { throw new NotImplementedException(); }
             }
 
+            public double LayoutScaling => 1;
+
             public Point TranslatePointToScreen(Point p)
             {
                 throw new NotImplementedException();
diff --git a/tests/Perspex.Controls.UnitTests/TestRoot.cs b/tests/Perspex.Controls.UnitTests/TestRoot.cs
index cc911c8b90..9b15e58f0d 100644
--- a/tests/Perspex.Controls.UnitTests/TestRoot.cs
+++ b/tests/Perspex.Controls.UnitTests/TestRoot.cs
@@ -23,6 +23,8 @@ namespace Perspex.Controls.UnitTests
             get { throw new NotImplementedException(); }
         }
 
+        public double LayoutScaling => 1;
+
         public IRenderQueueManager RenderQueueManager => null;
 
         public Point TranslatePointToScreen(Point p)
diff --git a/tests/Perspex.Controls.UnitTests/TopLevelTests.cs b/tests/Perspex.Controls.UnitTests/TopLevelTests.cs
index 9999630b85..86b86f1708 100644
--- a/tests/Perspex.Controls.UnitTests/TopLevelTests.cs
+++ b/tests/Perspex.Controls.UnitTests/TopLevelTests.cs
@@ -96,6 +96,7 @@ namespace Perspex.Controls.UnitTests
                 var impl = new Mock<ITopLevelImpl>();
                 impl.SetupProperty(x => x.ClientSize);
                 impl.SetupProperty(x => x.Resized);
+                impl.SetupGet(x => x.Scaling).Returns(1);
 
                 var target = new TestTopLevel(impl.Object)
                 {
@@ -121,9 +122,9 @@ namespace Perspex.Controls.UnitTests
                 RegisterServices();
                 PerspexLocator.CurrentMutable.Bind<ILayoutManager>().ToConstant(new LayoutManager());
 
-                var impl = new Mock<ITopLevelImpl>();
+                var impl = Mock.Of<ITopLevelImpl>(x => x.Scaling == 1);
 
-                var target = new TestTopLevel(impl.Object)
+                var target = new TestTopLevel(impl)
                 {
                     Template = CreateTemplate(),
                     Content = new TextBlock
@@ -135,7 +136,7 @@ namespace Perspex.Controls.UnitTests
 
                 LayoutManager.Instance.ExecuteInitialLayoutPass(target);
 
-                impl.VerifySet(x => x.ClientSize = new Size(321, 432));
+                Mock.Get(impl).VerifySet(x => x.ClientSize = new Size(321, 432));
             }
         }
 
diff --git a/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs b/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
index 989cb5f784..6e021fdae8 100644
--- a/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
+++ b/tests/Perspex.Controls.UnitTests/WindowingPlatformMock.cs
@@ -17,7 +17,7 @@ namespace Perspex.Controls.UnitTests
 
         public IWindowImpl CreateWindow()
         {
-            return _windowImpl?.Invoke() ?? new Mock<IWindowImpl>().Object;
+            return _windowImpl?.Invoke() ?? Mock.Of<IWindowImpl>(x => x.Scaling == 1);
         }
 
         public IWindowImpl CreateEmbeddableWindow()
@@ -25,6 +25,6 @@ namespace Perspex.Controls.UnitTests
             throw new NotImplementedException();
         }
 
-        public IPopupImpl CreatePopup() => _popupImpl?.Invoke() ?? new Mock<IPopupImpl>().Object;
+        public IPopupImpl CreatePopup() => _popupImpl?.Invoke() ?? Mock.Of<IPopupImpl>(x => x.Scaling == 1);
     }
 }
\ No newline at end of file
diff --git a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
index b3ec813f75..6df4fa1f89 100644
--- a/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
+++ b/tests/Perspex.Layout.UnitTests/FullLayoutTests.cs
@@ -141,6 +141,7 @@ namespace Perspex.Layout.UnitTests
 
             windowImpl.SetupProperty(x => x.ClientSize);
             windowImpl.Setup(x => x.MaxClientSize).Returns(new Size(1024, 1024));
+            windowImpl.SetupGet(x => x.Scaling).Returns(1);
 
             PerspexLocator.CurrentMutable
                 .Bind<IAssetLoader>().ToConstant(new AssetLoader())
diff --git a/tests/Perspex.Layout.UnitTests/TestLayoutRoot.cs b/tests/Perspex.Layout.UnitTests/TestLayoutRoot.cs
index d186b07169..2c0c1b3b8b 100644
--- a/tests/Perspex.Layout.UnitTests/TestLayoutRoot.cs
+++ b/tests/Perspex.Layout.UnitTests/TestLayoutRoot.cs
@@ -19,5 +19,6 @@ namespace Perspex.Layout.UnitTests
         }
 
         public Size MaxClientSize => Size.Infinity;
+        public double LayoutScaling => 1;
     }
 }
diff --git a/tests/Perspex.LeakTests/TestApp.cs b/tests/Perspex.LeakTests/TestApp.cs
index d95d249f7d..0484af5065 100644
--- a/tests/Perspex.LeakTests/TestApp.cs
+++ b/tests/Perspex.LeakTests/TestApp.cs
@@ -19,7 +19,7 @@ namespace Perspex.LeakTests
             RegisterServices();
 
             var fixture = new Fixture().Customize(new AutoMoqCustomization());
-            var windowImpl = new Mock<IWindowImpl>();
+            var windowImpl = Mock.Of<IWindowImpl>(x => x.Scaling == 1);
             var renderInterface = fixture.Create<IPlatformRenderInterface>();
             var threadingInterface = Mock.Of<IPlatformThreadingInterface>(x =>
                 x.CurrentThreadIsLoopThread == true);
@@ -31,7 +31,7 @@ namespace Perspex.LeakTests
                 .Bind<IPlatformRenderInterface>().ToConstant(renderInterface)
                 .Bind<IPlatformThreadingInterface>().ToConstant(threadingInterface)
                 .Bind<IStandardCursorFactory>().ToConstant(new Mock<IStandardCursorFactory>().Object)
-                .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock(() => windowImpl.Object));
+                .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock(() => windowImpl));
 
             Styles = new DefaultTheme();
         }
diff --git a/tests/Perspex.Styling.UnitTests/TestRoot.cs b/tests/Perspex.Styling.UnitTests/TestRoot.cs
index cc3deed060..6c906184c5 100644
--- a/tests/Perspex.Styling.UnitTests/TestRoot.cs
+++ b/tests/Perspex.Styling.UnitTests/TestRoot.cs
@@ -26,6 +26,8 @@ namespace Perspex.Styling.UnitTests
             get { throw new NotImplementedException(); }
         }
 
+        public double LayoutScaling => 1;
+
         public Point TranslatePointToScreen(Point p)
         {
             return new Point();