diff --git a/kcm/package/contents/ui/CustomScalingSheet.qml b/kcm/package/contents/ui/CustomScalingSheet.qml
new file mode 100644
--- /dev/null
+++ b/kcm/package/contents/ui/CustomScalingSheet.qml
@@ -0,0 +1,85 @@
+/********************************************************************
+Copyright © 2019 Nate Graham <nate@kde.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+import QtQuick 2.9
+import QtQuick.Layouts 1.3
+import QtQuick.Controls 2.5 as QQC2
+import org.kde.kirigami 2.5 as Kirigami
+import org.kde.private.kcm.kscreen 1.0 as KScreen
+
+
+Kirigami.OverlaySheet {
+    id: customScaleFactorSheet
+
+    parent: root
+    property var screen
+
+    ColumnLayout {
+
+        RowLayout {
+            Layout.alignment: Qt.AlignHCenter
+            QQC2.Label {
+                text: i18n("Enter custom scale factor:")
+            }
+            QQC2.SpinBox {
+                id: spinbox
+                // Because QQC2 SpinBox doesn't natively support decimal step
+                // sizes: https://bugreports.qt.io/browse/QTBUG-67349
+                property real factor: 20.0
+                property real realValue: value / factor
+
+                from : 1.0 * factor
+                to : 3.0 * factor
+                stepSize: 0.05 * factor
+                value: screen ? screen.scale * factor : kcm.globalScale * factor
+                validator: DoubleValidator {
+                    bottom: Math.min(spinbox.from, spinbox.to)*spinbox.factor
+                    top:  Math.max(spinbox.from, spinbox.to)*spinbox.factor
+                }
+                textFromValue: function(value, locale) {
+                    return parseFloat(value * 1.0 / factor).toFixed(2);
+                }
+                valueFromText: function(text, locale) {
+                    return Number.fromLocaleString(locale, text) * factor
+                }
+
+            }
+        }
+
+        RowLayout {
+            Layout.alignment: Qt.AlignRight
+            QQC2.Button {
+                text: i18n("OK")
+                icon.name: "dialog-ok"
+                onClicked: {
+                    if (screen) {
+                        screen.scale = spinbox.realValue
+                    } else {
+                        kcm.globalScale = spinbox.realValue
+                    }
+                    customScaleFactorSheet.close()
+                }
+            }
+            QQC2.Button {
+                text: i18n("Cancel")
+                icon.name: "dialog-cancel"
+                onClicked: {
+                    customScaleFactorSheet.close()
+                }
+            }
+        }
+    }
+}
diff --git a/kcm/package/contents/ui/OutputPanel.qml b/kcm/package/contents/ui/OutputPanel.qml
--- a/kcm/package/contents/ui/OutputPanel.qml
+++ b/kcm/package/contents/ui/OutputPanel.qml
@@ -77,7 +77,17 @@
             }
             Controls.Label {
                 Layout.alignment: Qt.AlignHCenter
-                text: i18nc("Scale factor (e.g. 1.0x, 1.5x, 2.0x)","%1x", scaleSlider.value.toLocaleString(Qt.locale(), "f", 1))
+                text: i18nc("Scale factor (e.g. 1.0x, 1.5x, 2.0x)","%1x", scaleSlider.value.toLocaleString(Qt.locale(), "f", 2))
+            }
+            Controls.Button {
+                text: i18n("Show Advanced Settings...")
+
+                CustomScalingSheet {
+                    id: sheet
+                    screen: element
+                }
+
+                onClicked: sheet.open();
             }
         }
 
diff --git a/kcm/package/contents/ui/Panel.qml b/kcm/package/contents/ui/Panel.qml
--- a/kcm/package/contents/ui/Panel.qml
+++ b/kcm/package/contents/ui/Panel.qml
@@ -70,13 +70,22 @@
                 Layout.fillWidth: true
                 from: 1
                 to: 3
-                stepSize: 0.1
+                stepSize: 0.25
                 live: true
                 value: kcm.globalScale
                 onMoved: kcm.globalScale = value
             }
             Controls.Label {
-                text: i18nc("Scale factor (e.g. 1.0x, 1.5x, 2.0x)","%1x", globalScaleSlider.value.toLocaleString(Qt.locale(), "f", 1))
+                text: i18nc("Scale factor (e.g. 1.0x, 1.5x, 2.0x)","%1x", globalScaleSlider.value.toLocaleString(Qt.locale(), "f", 2))
+            }
+            Controls.Button {
+                text: i18n("Show Advanced Settings...")
+
+                CustomScalingSheet {
+                    id: sheet
+                }
+
+                onClicked: sheet.open();
             }
         }
 
diff --git a/kcm/package/contents/ui/main.qml b/kcm/package/contents/ui/main.qml
--- a/kcm/package/contents/ui/main.qml
+++ b/kcm/package/contents/ui/main.qml
@@ -24,7 +24,7 @@
 KCM.SimpleKCM {
     id: root
 
-    implicitWidth: units.gridUnit * 30
+    implicitWidth: units.gridUnit * 37
     implicitHeight: units.gridUnit * 38
 
     property int selectedOutput: 0