Find all SharePoint database sizes using Powershell command

If you want to know the size of each database without connecting to the database server or manually checking each size. You can easily get the size of each database using the following PowerShell one-liner:

Get-SPDatabase | Sort-Object disksizerequired -desc | %{write-host  “Size: $($_.disksizerequired/1gb)GB – Database: $($_.Name)”}