Pmp Formulas Cheat Sheet Page 3
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1
2
3by Edward Chung, PMP ( )
Name (Abbreviation)
Formula
Interpretation
VAC
= BAC – EAC
< 0
Under budget
Variance at
= 0
On budget
BAC = Budget at completion
> 0
Over budget
Completion
EAC = Estimate at Completion
(O + 4M + P)/6
O= Optimistic estimate
PERT Estimation
M= Most Likely estimate
P= Pessimistic estimate
(P – O)/6
this is a rough estimate for the
Standard Deviation
standard deviation
O= Optimistic estimate
P= Pessimistic estimate
LS – ES
LS = Late start
ES = Early start
= 0
On critical path
Float/Slack
< 0
Behind schedule
LF – EF
LF = Late finish
EF = Early finish
The above 17 PMP formulas are all that you’ll need for the PMP Exam. Learn them and
understand their application. You will be able to solve the calculation questions in the
certification exam.
However, if you are still struggling with PMP® formulas or you want some more guided
descriptions on how to apply them with PMP® practice questions, you are advised to
explore the
PM Exam Formulas Study Guide
authored by Cornelius Fitchner (the same
author of the acclaimed online PMP® Exam Prep course which I used to clear my PMP®
exam – the
PM
PrepCast™).
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