Introduction
This blog illustrates to create round button in WPF, follow the below XAML code to create rounded button. 
 
- <Button Width="100" Content="Round Button"  
-       Height="100">  
-           <Button.Template>  
-               <ControlTemplate TargetType="Button">  
-                   <Grid>  
-                       <Ellipse Stroke="Black"  
-                        StrokeThickness="0">  
-                           <Ellipse.Fill>  
-                               <RadialGradientBrush>  
-                                   <GradientStop Offset="0"  
-                                         Color="Gray" />  
-                                   <GradientStop Offset="1"  
-                                         Color="Gray" />  
-                                   <GradientStop Offset="1"  
-                                         Color="DarkGray" />  
-                                   <RadialGradientBrush.Transform>  
-                                       <TransformGroup>  
-                                           <ScaleTransform ScaleY="0.65" />  
-                                       </TransformGroup>  
-                                   </RadialGradientBrush.Transform>  
-                               </RadialGradientBrush>  
-                           </Ellipse.Fill>  
-                       </Ellipse>  
-                       <ContentPresenter HorizontalAlignment="Center"  
-                                 VerticalAlignment="Center"/>  
-                   </Grid>  
-               </ControlTemplate>  
-           </Button.Template>  
-       </Button>  
 
Image