Which EAC formula is used?

EAC = BAC ÷ CPI, the cumulative-CPI forecast. Other EAC variants are not applied.

Where do PV, EV and AC come from?

From your own cost and progress reporting at the data date. The tool does not measure progress; it only computes the indices.

Is SPI a reliable schedule measure late in a project?

SPI trends toward 1.0 as work completes regardless of delay, so read it with the critical path, not instead of it.

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Earned Value

Project earned value indicators.

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Earned value turns four reported figures into an objective read on cost and schedule performance and a forecast at completion. Enter BAC, planned value, earned value and actual cost as of the data date, and the tool applies the standard EVM formulas exactly.

Method and assumptions

Earned Value Management (EVM) — PMI standard formulas

CV = EV − AC
SV = EV − PV
CPI = EV / AC
SPI = EV / PV
EAC = BAC / CPI
ETC = EAC − AC
VAC = BAC − EAC
TCPI = (BAC − EV) / (BAC − AC)

All percentages and inputs are user-defined; the calculation is purely arithmetic and assumes no particular code or specification.

Frequently asked questions

Which EAC formula is used?: EAC = BAC ÷ CPI, the cumulative-CPI forecast. Other EAC variants are not applied.
Where do PV, EV and AC come from?: From your own cost and progress reporting at the data date. The tool does not measure progress; it only computes the indices.
Is SPI a reliable schedule measure late in a project?: SPI trends toward 1.0 as work completes regardless of delay, so read it with the critical path, not instead of it.

Cost-to-CompleteProject Control
Progress AnalysisProject Control
Project Cash FlowProject Control

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