# Know the Key Formulas for your PMP Exam!

To pass the PMP, you will have to know the formulas used to calculate the key project management metrics.

Some of the formulas you need to know are:

Planned Value (PV) = Planned % Complete X BAC
Actual Cost (AC) = Sum of the actual costs
Earned Value (EV) = % Complete * BAC
Budget At Completion (BAC) = Total Budgeted for the project
Cost Variance (CV) = EV – AC (>0 Good)
Schedule Variance (SV) = EV – PV (>0 Good)
Cost Performance Index (CPI) = EV / AC (>1 Good)
Schedule Performance Index (SPI) = EV / PV (>1 Good)
Estimate at Completion (EAC) = AC / % Complete (BAC / CPI)
Estimate to Complete (ETC) = EAC – AC
Variance At Completion (VAC) = BAC – EAC
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