Although I have vRealize Operations manager to tell me if my VMware cluster is getting stressed or not, I wanted to quickly check what the values in the vSphere client were telling me.

In the client, you can select to view different time intervals, realtime, past day, week, month & year, but as the summation calculation is different, to convert into a more useful % CPU ready value requires a formula. However, some genius has created a website that takes all that work away.

Match the chart type to the same as the one you are looking at, type in the value, and it will tell you the figure instantly (it will even tell you if the value is an issue or not - though note that VDI workloads have a higher CPU ready tolerance than used on the tool).

Website: www.vmcalc.com

Thank you to whoever created it!