diff --git a/src/Controls/src/Core/Platform/Windows/CollectionView/FormsGridView.cs b/src/Controls/src/Core/Platform/Windows/CollectionView/FormsGridView.cs
index 0eb05a3fe70d..9e633e8e5a3f 100644
--- a/src/Controls/src/Core/Platform/Windows/CollectionView/FormsGridView.cs
+++ b/src/Controls/src/Core/Platform/Windows/CollectionView/FormsGridView.cs
@@ -1,4 +1,5 @@
 #nullable disable
+using System;
 using Microsoft.Maui.Graphics;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
@@ -113,11 +114,11 @@ void UpdateItemSize()
 
 			if (_orientation == Orientation.Horizontal)
 			{
-				_wrapGrid.ItemHeight = _wrapGrid.ActualHeight / Span;
+				_wrapGrid.ItemHeight = Math.Floor(_wrapGrid.ActualHeight / Span);
 			}
 			else
 			{
-				_wrapGrid.ItemWidth = _wrapGrid.ActualWidth / Span;
+				_wrapGrid.ItemWidth = Math.Floor(_wrapGrid.ActualWidth / Span);
 			}
 		}