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PMP Formulas

 
PMP Formulas The PMP Certification Exam will contain questions requiring the use of formulas to calculate the correct answer. You will not be able to answer the correctly if you do not have the appropriate formula memorized. The PMP Certification Exam may not present a question for each possible formula; but it is guaranteed that the exam will most likely present questions which required the use of three to five of the possible formulas.
 
 
 
Formula Definition
AC Actual Cost
= CV ÷ (CPI - 1)
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Formula Definition
BAC Budget At Completion
= ∑(PV) at project completion
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Formula Definition
BCWP Budgeted Cost of Work Performed (also known as)

Earned Value(EV)
= % complete * BAC

= % complete * PV
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Formula Definition
Communication Channels = (N * (N - 1))÷ 2

N = Number of Stakeholders
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Formula Definition
Cost to Buy = Initial Cost + # of Months * Monthly Maintenance Costs
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Formula Definition
CPI Cost Performance Index
= EV ÷ AC

Cost Peformance Index Values > 1 are considered good
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Formula Definition
CV Cost Variance
= EV - AC

Cost Variance Values > 0 are considered good
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Formula Definition
EAC Estimate at Completion (many versions of this formula)
= AC + bottom-up ETC

= AC ÷ % Complete

= BAC ÷ Cummulative CPI

= AC + (BAC - EV)

= AC + [(BAC - EV) (Cummulative CPI x Cummultive SPI)]
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Formula Definition
EMV Expected Monetary Value
= Impact * Probability
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Formula Definition
ETC Estimate To Complete
= EAC - AC
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Formula Definition
EV Earned Value (also known as)

Budgeted Cost of Work Performed(BCWP)
= % complete * BAC

= % complete * PV
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Formula Definition
Float = LS - ES

= LF - EF

LS = Late Start

ES = Early Start

LF = Late Finish

EF = Early Finish
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Formula Definition
Normal Distribution 1 SD = 1 Sigma

1 Sigma = 68.26%

2 Sigma = 95.46%

3 Sigma = 99.73%

6 Sigma = 99.999%

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Formula Definition
PERT Analysis = (O + 4M + P) ÷ 6

O = Optimistic Estimate

M = Most Likely Estimate

P = Pessimistic Estimate
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Formula Definition
Present Value = FV ÷ ((1 + r)^n)

FV = Future Value

r = Rate of Interest

n = number of time periods
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Formula Definition
PTA Point of Total Assumption
= ((Ceiling Price - Target Price) ÷ Buyer's Share Ratio) + Target Cost
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Formula Definition
PV Planned Value
= SV ÷ (SPI - 1)
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Formula Definition
ROI Return on Investment
= Net Benefits ÷ Net Cost
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Formula Definition
SD Standard Deviation of the Activity
= (P - O) ÷ 6

O = Optimistic Estimate

P = Pessimistic Estimate
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Formula Definition
SPI Schedule Performance Index
= EV ÷ PV

Schedule Performance Index Values > 1 are considered good
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Formula Definition
SV Schedule Variance
= EV - PV

Schedule Variance Values > 0 are considered good
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Formula Definition
TCPI To-complete Cost Performance Index (many versions of this formula)
= (BAC - EV) ÷ (BAC - AC)

= (BAC - EV) ÷ (EAC - AC)

= Remaining Work Remaining Budget

TCPI Values < 1 are considered good
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Formula Definition
VAC Variance At Completion
= BAC - EAC
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Formula Definition
Variance of Activity = ((P - O) ÷ 6) ^ 2

= (Standard Deviation of the Activity) ^ 2

O = Optimistic Estimate

P = Pessimistic Estimate
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For more information, see:
 
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About the PMP Exam Details Things to Know How to Prepare Resources
What Is PMP PMP Certification Exam PMP Knowledge Areas 60 Day PMP Study Plan PMP Practice Questions
What Is PMBOK How to Apply for the PMP PMP Processes 30 Day PMP Study Plan PMP Mock Exams
PMP Credential PMP Exam Registration PMP Formulas 2 Week Study Plan PMI.org
PMP Handbook PMP Exam Eligibility PMP Acronyms 1 Week Study Plan  
  PMP Exam Blueprint   PMP Test Taking Tips  
      What To Do if You Fail the PMP  
 
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