Cost Schedule Index (CSI)

Definition

Cost Performance Index times Schedule Performance Index (CPI x SPI). CSI measures the likelihood of recovery for project that is late and/or over budget.

Formula

Use Case / Interpretation

The closer the index is to 1, the more likely the project's can be recovered from it's deviation to the original baseline.

Tags

project, performance, budget, cost, schedule

Metadata

Category: Project management · Added: May 17, 2026