diff --git a/src/layouts/QskGridBox.cpp b/src/layouts/QskGridBox.cpp
index c357a378..82e44821 100644
--- a/src/layouts/QskGridBox.cpp
+++ b/src/layouts/QskGridBox.cpp
@@ -438,14 +438,26 @@ QSizeF QskGridBox::contentsSizeHint() const
 
 qreal QskGridBox::heightForWidth( qreal width ) const
 {
+    const auto m = margins();
+    width -= m.left() + m.right();
+
     const QSizeF constraint( width, -1 );
-    return engine().sizeHint( Qt::PreferredSize, constraint ).height();
+    qreal height = engine().sizeHint( Qt::PreferredSize, constraint ).height();
+
+    height += m.top() + m.bottom();
+    return height;
 }
 
 qreal QskGridBox::widthForHeight( qreal height ) const
 {
+    const auto m = margins();
+    height -= m.top() + m.bottom();
+
     const QSizeF constraint( -1, height );
-    return engine().sizeHint( Qt::PreferredSize, constraint ).width();
+    qreal width = engine().sizeHint( Qt::PreferredSize, constraint ).width();
+
+    width += m.left() + m.right();
+    return width;
 }
 
 void QskGridBox::setRowSizeHint(
diff --git a/src/layouts/QskLinearBox.cpp b/src/layouts/QskLinearBox.cpp
index 74aa7db0..203fa2d2 100644
--- a/src/layouts/QskLinearBox.cpp
+++ b/src/layouts/QskLinearBox.cpp
@@ -333,14 +333,26 @@ QSizeF QskLinearBox::contentsSizeHint() const
 
 qreal QskLinearBox::heightForWidth( qreal width ) const
 {
+    const auto m = margins();
+    width -= m.left() + m.right();
+
     const QSizeF constraint( width, -1 );
-    return engine().sizeHint( Qt::PreferredSize, constraint ).height();
+    qreal height = engine().sizeHint( Qt::PreferredSize, constraint ).height();
+
+    height += m.top() + m.bottom();
+    return height;
 }
 
 qreal QskLinearBox::widthForHeight( qreal height ) const
 {
+    const auto m = margins();
+    height -= m.top() + m.bottom();
+
     const QSizeF constraint( -1, height );
-    return engine().sizeHint( Qt::PreferredSize, constraint ).width();
+    qreal width = engine().sizeHint( Qt::PreferredSize, constraint ).width();
+
+    width += m.left() + m.right();
+    return width;
 }
 
 void QskLinearBox::setupLayoutItem( QskLayoutItem* layoutItem, int index )
diff --git a/src/layouts/QskStackBox.cpp b/src/layouts/QskStackBox.cpp
index 246b033f..06790a49 100644
--- a/src/layouts/QskStackBox.cpp
+++ b/src/layouts/QskStackBox.cpp
@@ -240,6 +240,9 @@ QSizeF QskStackBox::contentsSizeHint() const
 
 qreal QskStackBox::heightForWidth( qreal width ) const
 {
+    const auto m = margins();
+    width -= m.left() + m.right();
+
     qreal height = -1;
 
     const QskLayoutEngine& engine = this->engine();
@@ -250,11 +253,15 @@ qreal QskStackBox::heightForWidth( qreal width ) const
             height = qMax( height, QskLayoutConstraint::heightForWidth( item, width ) );
     }
 
+    height += m.top() + m.bottom();
     return height;
 }
 
 qreal QskStackBox::widthForHeight( qreal height ) const
 {
+    const auto m = margins();
+    height -= m.top() + m.bottom();
+
     qreal width = -1;
 
     const QskLayoutEngine& engine = this->engine();
@@ -265,6 +272,7 @@ qreal QskStackBox::widthForHeight( qreal height ) const
             width = qMax( width, QskLayoutConstraint::widthForHeight( item, height ) );
     }
 
+    width += m.left() + m.right();
     return width;
 }