@echo off
:: C drive format_table
PowerShell "Get-WmiObject win32_logicaldisk -filter """DeviceID='c:'""" | FT DeviceID, @{Name='DiskSize (GB)'; E={\"{0:N1} GB\" -F($_.Size/1GB)}}, @{Name='FreeSpace (GB)'; E={\"{0:N1} GB\" -F($_.freespace/1GB)}}"
:: C drive Size
PowerShell "$size=(Get-WmiObject win32_logicaldisk -filter """DeviceID='c:'""").Size; [math]::Round($size/1GB, 2).toString();"
:: C drive freespace
PowerShell "$size=(Get-WmiObject win32_logicaldisk -filter """DeviceID='c:'""").freespace; [math]::Round($size/1GB, 2).toString();"