Powershell - Get size of SharePoint document libray #PowerShell #SharePoint

get-SPlibrarySize.ps1

Add-PSSnapin Microsoft.SharePoint.PowerShell 

$siteURL = "YourSitename" 
$site = new-object Microsoft.SharePoint.SPSite($siteURL)


foreach ($web in $site.AllWebs)
{
   foreach ($list in $web.Lists)
  {

        if($list.BaseType -eq "DocumentLibrary")   
      {
    $listSize = 0
   foreach ($item in $list.items) 
        { 
          $listSize += ($item.file).length
        }
     "Web Name: "+$web.Title+", Library Name: "+$list.Title+", Size: "+[Math]::Round(($listSize/1KB),2)+"KB"     
		}
	}
}