check size of sharepoint 2010 sites

http://get-spscripts.com/2010/08/check-size-of-sharepoint-2010-sites.html

Get-SPWebApplication http://10.168.24.216 | Get-SPSite -
Limit all | select url, @{label="Size in MB";Expression={$_.usage.storage/1MB}}
| Sort-Object -Descending -Property "Size in MB" | Format-Table -AutoSize