diff --git a/src/gui/kernel/qplatformtheme.cpp b/src/gui/kernel/qplatformtheme.cpp
index d9584a202e0..1be5fbd8b6d 100644
--- a/src/gui/kernel/qplatformtheme.cpp
+++ b/src/gui/kernel/qplatformtheme.cpp
@@ -158,6 +158,10 @@ QT_BEGIN_NAMESPACE
     \value MouseCursorSize (QSize) Size of the mouse cursor.
            This enum value has been added in Qt 6.5.
 
+    \value ScrollSingleStepDistance (int) The distance in logical pixels that scrollable
+           controls should scroll in response to a single step (e.g. scroll-bar arrow click,
+           mouse wheel line).
+
     \sa themeHint(), QStyle::pixelMetric()
 */
 
@@ -710,6 +714,8 @@ QVariant QPlatformTheme::defaultThemeHint(ThemeHint hint)
         return false;
     case MenuSelectionWraps:
         return true;
+    case ScrollSingleStepDistance:
+        return 20;
     }
 
     return QVariant();
diff --git a/src/gui/kernel/qplatformtheme.h b/src/gui/kernel/qplatformtheme.h
index c39d1cdcded..e07ac5195b8 100644
--- a/src/gui/kernel/qplatformtheme.h
+++ b/src/gui/kernel/qplatformtheme.h
@@ -100,6 +100,7 @@ public:
         ShowIconsInMenus,
         PreferFileIconFromTheme,
         MenuSelectionWraps,
+        ScrollSingleStepDistance,
     };
     Q_ENUM(ThemeHint)
 
diff --git a/src/widgets/graphicsview/qgraphicsview.cpp b/src/widgets/graphicsview/qgraphicsview.cpp
index af113432ba2..35445c66bf3 100644
--- a/src/widgets/graphicsview/qgraphicsview.cpp
+++ b/src/widgets/graphicsview/qgraphicsview.cpp
@@ -389,6 +389,8 @@ void QGraphicsViewPrivate::recalculateContentSize()
     const qreal oldLeftIndent = leftIndent;
     const qreal oldTopIndent = topIndent;
 
+    const auto singleStep = defaultSingleStep();
+
     // If the whole scene fits horizontally, we center the scene horizontally,
     // and ignore the horizontal scroll bars.
     const int left =  q_round_bound(viewRect.left());
@@ -413,7 +415,7 @@ void QGraphicsViewPrivate::recalculateContentSize()
 
         hbar->setRange(left, right);
         hbar->setPageStep(width);
-        hbar->setSingleStep(width / 20);
+        hbar->setSingleStep(width / singleStep);
 
         if (oldLeftIndent != 0)
             hbar->setValue(-oldLeftIndent);
@@ -443,7 +445,7 @@ void QGraphicsViewPrivate::recalculateContentSize()
 
         vbar->setRange(top, bottom);
         vbar->setPageStep(height);
-        vbar->setSingleStep(height / 20);
+        vbar->setSingleStep(height / singleStep);
 
         if (oldTopIndent != 0)
             vbar->setValue(-oldTopIndent);
diff --git a/src/widgets/widgets/qabstractscrollarea.cpp b/src/widgets/widgets/qabstractscrollarea.cpp
index a146d4c4f90..df5886c71aa 100644
--- a/src/widgets/widgets/qabstractscrollarea.cpp
+++ b/src/widgets/widgets/qabstractscrollarea.cpp
@@ -24,6 +24,9 @@
 #include "qscrollbar_p.h"
 #include <qwidget.h>
 
+#include <private/qguiapplication_p.h>
+#include <qpa/qplatformtheme.h>
+
 #include <private/qapplication_p.h>
 
 #ifdef Q_OS_WIN
@@ -1500,6 +1503,12 @@ void QAbstractScrollArea::setupViewport(QWidget *viewport)
     Q_UNUSED(viewport);
 }
 
+int QAbstractScrollAreaPrivate::defaultSingleStep() const
+{
+    auto *platformTheme = QGuiApplicationPrivate::platformTheme();
+    return platformTheme->themeHint(QPlatformTheme::ScrollSingleStepDistance).value<int>();
+}
+
 QT_END_NAMESPACE
 
 #include "moc_qabstractscrollarea.cpp"
diff --git a/src/widgets/widgets/qabstractscrollarea_p.h b/src/widgets/widgets/qabstractscrollarea_p.h
index 7224d489cea..5530f3ee429 100644
--- a/src/widgets/widgets/qabstractscrollarea_p.h
+++ b/src/widgets/widgets/qabstractscrollarea_p.h
@@ -73,6 +73,8 @@ public:
     inline bool viewportEvent(QEvent *event)
     { return q_func()->viewportEvent(event); }
     QScopedPointer<QObject> viewportFilter;
+
+    int defaultSingleStep() const;
 };
 
 class QAbstractScrollAreaFilter : public QObject
diff --git a/src/widgets/widgets/qmdiarea.cpp b/src/widgets/widgets/qmdiarea.cpp
index 1c7e6a6393d..9d2c14daaea 100644
--- a/src/widgets/widgets/qmdiarea.cpp
+++ b/src/widgets/widgets/qmdiarea.cpp
@@ -1170,6 +1170,8 @@ void QMdiAreaPrivate::updateScrollBars()
     const int startX = q->isLeftToRight() ? childrenRect.left() : viewportRect.right()
                                                                   - childrenRect.right();
 
+    const auto singleStep = defaultSingleStep();
+
     // Horizontal scroll bar.
     if (isSubWindowsTiled && hbar->value() != 0)
         hbar->setValue(0);
@@ -1177,7 +1179,7 @@ void QMdiAreaPrivate::updateScrollBars()
     hbar->setRange(qMin(0, xOffset),
                    qMax(0, xOffset + childrenRect.width() - viewportRect.width()));
     hbar->setPageStep(childrenRect.width());
-    hbar->setSingleStep(childrenRect.width() / 20);
+    hbar->setSingleStep(childrenRect.width() / singleStep);
 
     // Vertical scroll bar.
     if (isSubWindowsTiled && vbar->value() != 0)
@@ -1186,7 +1188,7 @@ void QMdiAreaPrivate::updateScrollBars()
     vbar->setRange(qMin(0, yOffset),
                    qMax(0, yOffset + childrenRect.height() - viewportRect.height()));
     vbar->setPageStep(childrenRect.height());
-    vbar->setSingleStep(childrenRect.height() / 20);
+    vbar->setSingleStep(childrenRect.height() / singleStep);
 }
 
 /*!
diff --git a/src/widgets/widgets/qplaintextedit.cpp b/src/widgets/widgets/qplaintextedit.cpp
index fb7ec9725c0..bdeba6954d3 100644
--- a/src/widgets/widgets/qplaintextedit.cpp
+++ b/src/widgets/widgets/qplaintextedit.cpp
@@ -781,7 +781,7 @@ void QPlainTextEditPrivate::init(const QString &txt)
     if (!txt.isEmpty())
         control->setPlainText(txt);
 
-    hbar->setSingleStep(20);
+    hbar->setSingleStep(defaultSingleStep());
     vbar->setSingleStep(1);
 
     viewport->setBackgroundRole(QPalette::Base);
diff --git a/src/widgets/widgets/qscrollarea.cpp b/src/widgets/widgets/qscrollarea.cpp
index efbf4da07fa..731f416f30e 100644
--- a/src/widgets/widgets/qscrollarea.cpp
+++ b/src/widgets/widgets/qscrollarea.cpp
@@ -101,13 +101,8 @@ QT_BEGIN_NAMESPACE
     \sa setWidget()
 */
 QScrollArea::QScrollArea(QWidget *parent)
-    : QAbstractScrollArea(*new QScrollAreaPrivate,parent)
+    : QScrollArea(*new QScrollAreaPrivate, parent)
 {
-    Q_D(QScrollArea);
-    d->viewport->setBackgroundRole(QPalette::NoRole);
-    d->vbar->setSingleStep(20);
-    d->hbar->setSingleStep(20);
-    d->layoutChildren();
 }
 
 /*!
@@ -118,8 +113,9 @@ QScrollArea::QScrollArea(QScrollAreaPrivate &dd, QWidget *parent)
 {
     Q_D(QScrollArea);
     d->viewport->setBackgroundRole(QPalette::NoRole);
-    d->vbar->setSingleStep(20);
-    d->hbar->setSingleStep(20);
+    const auto singleStep = d->defaultSingleStep();
+    d->vbar->setSingleStep(singleStep);
+    d->hbar->setSingleStep(singleStep);
     d->layoutChildren();
 }
 
diff --git a/src/widgets/widgets/qtextedit.cpp b/src/widgets/widgets/qtextedit.cpp
index d547a41f515..2f61cdd20df 100644
--- a/src/widgets/widgets/qtextedit.cpp
+++ b/src/widgets/widgets/qtextedit.cpp
@@ -170,8 +170,9 @@ void QTextEditPrivate::init(const QString &html)
     if (!html.isEmpty())
         control->setHtml(html);
 
-    hbar->setSingleStep(20);
-    vbar->setSingleStep(20);
+    const auto singleStep = defaultSingleStep();
+    hbar->setSingleStep(singleStep);
+    vbar->setSingleStep(singleStep);
 
     viewport->setBackgroundRole(QPalette::Base);
     q->setMouseTracking(true);