To view the resource limits allocated to your vDC, go to your vDC
To view the vCPU and RAM, go to the General tab in the Settings subsection.
Allocation Used - The amount of resources you are currently using
Quota - The maximum number of resources available for usage.
To calculate the amount of vCPU used in units, divide the CPU value by the vCPU. In this example you would divide 72.5 by 2.5.
To view storage resources (disks) click the Storage Policies tab of the Storage subsection.
You will see the exact values of used/available resources for all disk types.