IT Projekt Management

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Budget at Completion (BAC) * Planned % Complete = PV

This is how much of your budget you planned on using so far. If the BAC is $200'000, and the schedule says your Planned % Complete is 30%, then the Planned Value is $200'000 x 30% = $60'000.

BAC x Actual % Complete = EV   This figure tells you how much your project actually earned. Every hour that each team member works adds value to the project. You can figure it out by taking the percentage of the hours that the team has actually worked and multiplying it by the BAC. If the total cost of the project is $200'000, then the Earned Value is $200'000 x 35% = $70'000.

That’s the amount of money that you’ve spent so far on the project.

SPI = EV / PV   If you want to know whether you're ahead of or behind schedule, use SPIs. The key to using this is that when you're ahead of schedule, you've earned more value than planned! So EV will be bigger than PV.  

SV = EV - PV   It's easy to see how variance works. The bigger the difference between what you planned and what your actually earned, the bigger the variance. So, if you want to know how much ahead or behind schedule you are, just subtract PV from EV.  

CPI = EV / AC   If you want to know whether you're over or under budget, use CPI.  

CV = EV - AC   This tells you the difference between what you planned on spending and what you actually spent. So, if you want to know how much under or over budget you are, just take AC away from EV.