diff --git a/src/core/engine/engine.cpp b/src/core/engine/engine.cpp
index b7528308..f41fd49e 100644
--- a/src/core/engine/engine.cpp
+++ b/src/core/engine/engine.cpp
@@ -238,7 +238,7 @@ void Engine::arrangeWindowsOnSurface(const Surface &surface)
     layout.apply(tilingArea, windowsThatCanBeTiled);
 }
 
-QRect Engine::workingArea(const Surface &surface) const
+QRectF Engine::workingArea(const Surface &surface) const
 {
     return m_plasmaApi.workspace().clientArea(PlasmaApi::Workspace::PlacementArea, surface.screen(), surface.desktop());
 }
diff --git a/src/core/engine/engine.hpp b/src/core/engine/engine.hpp
index 873dbd28..79ff8013 100644
--- a/src/core/engine/engine.hpp
+++ b/src/core/engine/engine.hpp
@@ -37,7 +37,7 @@ struct Engine {
     Surface activeSurface() const;
 
     void arrangeWindowsOnSurface(const Surface &);
-    QRect workingArea(const Surface &surface) const;
+    QRectF workingArea(const Surface &surface) const;
 
     const Bismuth::Config &m_config;
     WindowsList m_windows;
diff --git a/src/core/engine/layout/layout.cpp b/src/core/engine/layout/layout.cpp
index de21cd42..55aceb2c 100644
--- a/src/core/engine/layout/layout.cpp
+++ b/src/core/engine/layout/layout.cpp
@@ -10,7 +10,7 @@ Layout::Layout(const Bismuth::Config &config)
 {
 }
 
-QRect Layout::tilingArea(QRect workingArea) const
+QRectF Layout::tilingArea(QRectF workingArea) const
 {
     auto marginLeft = m_config.screenGapLeft();
     auto marginTop = m_config.screenGapTop();
diff --git a/src/core/engine/layout/layout.hpp b/src/core/engine/layout/layout.hpp
index d36983bf..fcbbd46a 100644
--- a/src/core/engine/layout/layout.hpp
+++ b/src/core/engine/layout/layout.hpp
@@ -19,12 +19,12 @@ struct Layout {
      * Apply layout for the @p windows on tiling @p area. Method changes the
      * geometry of the windows to match the particular layout.
      */
-    virtual void apply(QRect area, std::vector<Window> &windows) const = 0;
+    virtual void apply(QRectF area, std::vector<Window> &windows) const = 0;
 
     /**
      * Get the area on which tiled windows could be placed given the general @p workingArea
      */
-    virtual QRect tilingArea(QRect workingArea) const;
+    virtual QRectF tilingArea(QRectF workingArea) const;
 
 protected:
     const Bismuth::Config &m_config;
diff --git a/src/core/engine/layout/monocle.cpp b/src/core/engine/layout/monocle.cpp
index 2db5908b..814ea549 100644
--- a/src/core/engine/layout/monocle.cpp
+++ b/src/core/engine/layout/monocle.cpp
@@ -5,7 +5,7 @@
 
 namespace Bismuth
 {
-void Monocle::apply(QRect area, std::vector<Window> &windows) const
+void Monocle::apply(QRectF area, std::vector<Window> &windows) const
 {
     for (auto &window : windows) {
         // Place the window on the all available area
diff --git a/src/core/engine/layout/monocle.hpp b/src/core/engine/layout/monocle.hpp
index 1d550bb1..00b0da81 100644
--- a/src/core/engine/layout/monocle.hpp
+++ b/src/core/engine/layout/monocle.hpp
@@ -10,6 +10,6 @@ namespace Bismuth
 struct Monocle : Layout {
     using Layout::Layout;
 
-    virtual void apply(QRect area, std::vector<Window> &windows) const override;
+    virtual void apply(QRectF area, std::vector<Window> &windows) const override;
 };
 }
diff --git a/src/core/engine/layout/stacked.cpp b/src/core/engine/layout/stacked.cpp
index 0e5dbe10..812bfbd3 100644
--- a/src/core/engine/layout/stacked.cpp
+++ b/src/core/engine/layout/stacked.cpp
@@ -5,7 +5,7 @@
 
 namespace Bismuth
 {
-void Stacked::apply(QRect area, std::vector<Window> &windows) const
+void Stacked::apply(QRectF area, std::vector<Window> &windows) const
 {
 }
 }
diff --git a/src/core/engine/layout/stacked.hpp b/src/core/engine/layout/stacked.hpp
index 6723581f..6547d5c4 100644
--- a/src/core/engine/layout/stacked.hpp
+++ b/src/core/engine/layout/stacked.hpp
@@ -10,6 +10,6 @@ namespace Bismuth
 struct Stacked : Layout {
     using Layout::Layout;
 
-    virtual void apply(QRect area, std::vector<Window> &windows) const override;
+    virtual void apply(QRectF area, std::vector<Window> &windows) const override;
 };
 }
diff --git a/src/core/engine/window.cpp b/src/core/engine/window.cpp
index 96a36f45..bc421253 100644
--- a/src/core/engine/window.cpp
+++ b/src/core/engine/window.cpp
@@ -31,12 +31,12 @@ void Window::activate()
     m_workspace.get().setActiveClient(m_client);
 }
 
-QRect Window::geometry() const
+QRectF Window::geometry() const
 {
     return m_client.frameGeometry();
 }
 
-void Window::setGeometry(QRect newGeometry)
+void Window::setGeometry(QRectF newGeometry)
 {
     m_client.setFrameGeometry(newGeometry);
 }
diff --git a/src/core/engine/window.hpp b/src/core/engine/window.hpp
index 95aa2724..644dd33e 100644
--- a/src/core/engine/window.hpp
+++ b/src/core/engine/window.hpp
@@ -28,8 +28,8 @@ struct Window {
 
     void activate();
 
-    QRect geometry() const;
-    void setGeometry(QRect);
+    QRectF geometry() const;
+    void setGeometry(QRectF);
 
     void setMode(Mode);
     Mode mode() const;
diff --git a/src/core/plasma-api/window.hpp b/src/core/plasma-api/window.hpp
index abb40e09..103106d1 100644
--- a/src/core/plasma-api/window.hpp
+++ b/src/core/plasma-api/window.hpp
@@ -45,8 +45,8 @@ class Window : public QObject
      * occupies on the screen. This rectangle includes invisible portions of the
      * window, e.g. client-side drop shadows, etc.
      */
-    BI_READONLY_PROPERTY(QRect, bufferGeometry)
-    // Q_PROPERTY(QRect bufferGeometry READ bufferGeometry)
+    BI_READONLY_PROPERTY(QRectF, bufferGeometry)
+    // Q_PROPERTY(QRectF bufferGeometry READ bufferGeometry)
 
     /**
      * This property holds the position of the Window's frame geometry.
@@ -84,8 +84,8 @@ class Window : public QObject
     BI_READONLY_PROPERTY(int, height)
     // Q_PROPERTY(int height READ height NOTIFY frameGeometryChanged)
 
-    BI_READONLY_PROPERTY(QRect, visibleRect)
-    // Q_PROPERTY(QRect visibleRect READ visibleGeometry)
+    BI_READONLY_PROPERTY(QRectF, visibleRect)
+    // Q_PROPERTY(QRectF visibleRect READ visibleGeometry)
 
     BI_READONLY_PROPERTY(qreal, opacity)
     // Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged)
@@ -96,8 +96,8 @@ class Window : public QObject
     BI_READONLY_PROPERTY(qulonglong, windowId)
     // Q_PROPERTY(qulonglong windowId READ window CONSTANT)
 
-    BI_READONLY_PROPERTY(QRect, rect)
-    // Q_PROPERTY(QRect rect READ rect)
+    BI_READONLY_PROPERTY(QRectF, rect)
+    // Q_PROPERTY(QRectF rect READ rect)
 
     BI_READONLY_PROPERTY(QPoint, clientPos)
     // Q_PROPERTY(QPoint clientPos READ clientPos)
@@ -432,8 +432,8 @@ class Window : public QObject
      * The value is evaluated each time the getter is called.
      * Because of that no changed signal is provided.
      */
-    BI_READONLY_PROPERTY(QRect, iconGeometry)
-    // Q_PROPERTY(QRect iconGeometry READ iconGeometry)
+    BI_READONLY_PROPERTY(QRectF, iconGeometry)
+    // Q_PROPERTY(QRectF iconGeometry READ iconGeometry)
 
     /**
      * Returns whether the window is any of special windows types (desktop, dock, splash, ...),
@@ -507,14 +507,14 @@ class Window : public QObject
      *
      * @deprecated Use frameGeometry
      */
-    // Q_PROPERTY(QRect geometry READ frameGeometry WRITE moveResize NOTIFY frameGeometryChanged)
+    // Q_PROPERTY(QRectF geometry READ frameGeometry WRITE moveResize NOTIFY frameGeometryChanged)
 
     /**
      * The geometry of this Window. Be aware that depending on resize mode the frameGeometryChanged
      * signal might be emitted at each resize step or only at the end of the resize operation.
      */
-    BI_PROPERTY(QRect, frameGeometry, setFrameGeometry)
-    // Q_PROPERTY(QRect frameGeometry READ frameGeometry WRITE moveResize NOTIFY frameGeometryChanged)
+    BI_PROPERTY(QRectF, frameGeometry, setFrameGeometry)
+    // Q_PROPERTY(QRectF frameGeometry READ frameGeometry WRITE moveResize NOTIFY frameGeometryChanged)
 
     /**
      * Whether the Window is currently being moved by the user.
diff --git a/src/core/plasma-api/workspace.cpp b/src/core/plasma-api/workspace.cpp
index e3592562..c768c528 100644
--- a/src/core/plasma-api/workspace.cpp
+++ b/src/core/plasma-api/workspace.cpp
@@ -52,9 +52,9 @@ void Workspace::wrapSignals()
     WRAP_SIGNAL_WITH_KWIN_TYPE(clientMaximizeSet(KWin::Window *, bool, bool));
 };
 
-QRect Workspace::clientArea(ClientAreaOption option, int screen, int desktop)
+QRectF Workspace::clientArea(ClientAreaOption option, int screen, int desktop)
 {
-    BI_METHOD_IMPL_WRAP(QRect, "clientArea(ClientAreaOption, int, int)", Q_ARG(ClientAreaOption, option), Q_ARG(int, screen), Q_ARG(int, desktop));
+    BI_METHOD_IMPL_WRAP(QRectF, "clientArea(ClientAreaOption, int, int)", Q_ARG(ClientAreaOption, option), Q_ARG(int, screen), Q_ARG(int, desktop));
 };
 
 std::vector<PlasmaApi::Window> Workspace::clientList() const
diff --git a/src/core/plasma-api/workspace.hpp b/src/core/plasma-api/workspace.hpp
index f0d29495..c361ca3a 100644
--- a/src/core/plasma-api/workspace.hpp
+++ b/src/core/plasma-api/workspace.hpp
@@ -62,7 +62,7 @@ class Workspace : public QObject
      * @param desktop The desktop for which the area should be considered, in general there should not be a difference
      * @returns The specified screen geometry
      */
-    Q_INVOKABLE QRect clientArea(ClientAreaOption, int screen, int desktop);
+    Q_INVOKABLE QRectF clientArea(ClientAreaOption, int screen, int desktop);
 
     Q_INVOKABLE std::vector<PlasmaApi::Window> clientList() const;
 
diff --git a/src/kwinscript/extern/kwin.d.ts b/src/kwinscript/extern/kwin.d.ts
index e6c67baf..2d427cf6 100644
--- a/src/kwinscript/extern/kwin.d.ts
+++ b/src/kwinscript/extern/kwin.d.ts
@@ -68,7 +68,7 @@ declare namespace KWin {
 
     /* functions */
     clientList(): Client[];
-    clientArea(option: number, screen: number, desktop: number): QRect;
+    clientArea(option: number, screen: number, desktop: number): QRectF;
   }
 
   interface Options {
@@ -231,7 +231,7 @@ declare namespace KWin {
      * This property holds the geometry of the Toplevel, excluding invisible
      * portions, e.g. server-side and client-side drop-shadows, etc.
      */
-    frameGeometry: QRect;
+    frameGeometry: QRectF;
 
     /**
      * Whether the window is set to be above all
diff --git a/src/kwinscript/extern/qt.d.ts b/src/kwinscript/extern/qt.d.ts
index 091e4a4c..62a1a828 100644
--- a/src/kwinscript/extern/qt.d.ts
+++ b/src/kwinscript/extern/qt.d.ts
@@ -10,7 +10,7 @@ interface QByteArray {
   /* keep it empty for now */
 }
 
-interface QRect {
+interface QRectF {
   height: number;
   width: number;
   x: number;
@@ -49,5 +49,5 @@ interface QQmlTimer {
 declare namespace Qt {
   function createQmlObject(qml: string, parent: object, filepath?: string): any;
 
-  function rect(x: number, y: number, width: number, height: number): QRect;
+  function rect(x: number, y: number, width: number, height: number): QRectF;
 }
diff --git a/src/kwinscript/util/rect.ts b/src/kwinscript/util/rect.ts
index 9e86344a..2157b4e5 100644
--- a/src/kwinscript/util/rect.ts
+++ b/src/kwinscript/util/rect.ts
@@ -11,7 +11,7 @@ export class Rect {
     public height: number
   ) {}
 
-  public static fromQRect(qRect: QRect): Rect {
+  public static fromQRect(qRect: QRectF): Rect {
     return new Rect(qRect.x, qRect.y, qRect.width, qRect.height);
   }
 
@@ -86,7 +86,7 @@ export class Rect {
     );
   }
 
-  public toQRect(): QRect {
+  public toQRect(): QRectF {
     return Qt.rect(this.x, this.y, this.width, this.height);
   }
 
diff --git a/tests/core/plasma-api/window.mock.hpp b/tests/core/plasma-api/window.mock.hpp
index 260106ee..2460c33a 100644
--- a/tests/core/plasma-api/window.mock.hpp
+++ b/tests/core/plasma-api/window.mock.hpp
@@ -16,7 +16,7 @@ class FakeKWinClient : public QObject
     Q_PROPERTY(int desktop MEMBER m_desktop)
     Q_PROPERTY(int screen MEMBER m_screen)
     Q_PROPERTY(QStringList activities MEMBER m_activities)
-    Q_PROPERTY(QRect frameGeometry MEMBER m_frameGeometry)
+    Q_PROPERTY(QRectF frameGeometry MEMBER m_frameGeometry)
 
 public:
     FakeKWinClient &operator=(const FakeKWinClient &);
@@ -26,5 +26,5 @@ class FakeKWinClient : public QObject
     int m_desktop{};
     int m_screen{};
     QStringList m_activities{};
-    QRect m_frameGeometry{};
+    QRectF m_frameGeometry{};
 };