Reference → Glossary → T → TCPI
To-complete performance index. A ratio of remaining work. The difference between the planned costs of all completed tasks to the to the planned costs of all remaining, uncompleted tasks. The calculation for to-complete performance index is as follows: TCPI = [BAC - BCWP] / [BAC - ACWP]. When the to-complete performance index is greater than 1, it is an indicator that close attention should be paid to all of the work that remains so that the task plan can stay within budget.
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