What is a good SPI?
- What is a good SPI?
The CPI is only one aspect of determining the progress of a project. As with the CPI, SPI values under 1 are not good because they mean the project is behind schedule. A value of 1 means the project is on schedule, and a value more than 1 means the project is ahead of schedule.
- How is SPI calculated?
To calculate your project's SPI performance, the formula is:Schedule Performance Index (SPI) = Earned Value (EV) / Planned Value (PV)SPI = EV / PV.Jul 25, 2020