The Earned Value Management Macros

Performance Indices

Table 11.12 shows the formulas for Cost, Schedule, and To-Complete Performance Indices. WR is Work Remaining and is given by: $\mr {WR = BAC - EV}$. The section Cost Estimates gives different expressions for the EAC (Estimate at Completion).

Table 11.12: Performance Index Formulas

Acronym

Formula

CPI

$\frac{\mr {EV}}{\mr {AC}}$

SPI

$\frac{\mr {EV}}{\mr {PV}}$

$\mr {TCPI_\mr {BAC}}$

$\frac{\mr {WR}}{\mr {BAC} - \mr {AC}}$

$\mr {TCPI_\mr {EAC}}$

$\frac{\mr {WR}}{\mr {EAC} - \mr {AC}}$