EVM - Schedule Variance

Schedule Variance (SV) indicates how much ahead or behind the schedule a project is running.
It can be calculated using the following formula:
Schedule Variance (SV) = Earned Value (EV) − Planned Value (PV)

OR
Schedule Variance (SV) = BCWP − BCWS

The formula mentioned above gives the variance in terms of cost which indicates how much cost of the work is yet to be completed as per schedule or how much cost of work has been completed over and above the scheduled cost.
The formula mentioned above gives the variance in terms of cost which indicates how much cost of the work is yet to be completed as per schedule or how much cost of work has been completed over and above the scheduled cost.
A positive SV indicates we are ahead of schedule.
A positive SV indicates we are ahead of schedule.
A negative SV indicates we are behind schedule.
A negative SV indicates we are behind schedule.
Schedule Variance % indicates how much ahead or behind the schedule a project is running in terms of percentage.
Schedule Variance % can be calculated using the following formula:
SV % = Schedule Variance (SV) ⁄ Planned Value (PV)

OR
SV % = SV ⁄ BCWS

The formula mentioned above gives the variance in terms of percentage which indicates how much percentage of work is yet to be completed as per schedule or how much percentage of work has been completed over and above the scheduled cost.
The formula mentioned above gives the variance in terms of percentage which indicates how much percentage of work is yet to be completed as per schedule or how much percentage of work has been completed over and above the scheduled cost.
Positive Variance % indicates % ahead of schedule.
Positive Variance % indicates % ahead of schedule.
Negative Variance % indicates % behind of schedule.
Negative Variance % indicates % behind of schedule.
Schedule Performance Indicator (SPI) is an index showing the efficiency of the time utilized on the project. SPI can be calculated using the following formula:
SPI = Earned Value (EV) ⁄ Planned Value (PV)

OR
SPI = BCWP ⁄ BCWS

The formula mentioned above gives the efficiency of the project team in utilizing the time allocated for the project.
The formula mentioned above gives the efficiency of the project team in utilizing the time allocated for the project.
An SPI value above 1 indicates the project team is very efficient in utilizing
the time allocated to the project.
An SPI value above 1 indicates the project team is very efficient in utilizing
the time allocated to the project.
An SPI value below 1 indicates the project team is less efficient in utilizing
the time allocated to the project.
An SPI value below 1 indicates the project team is less efficient in utilizing
the time allocated to the project.
To Complete Schedule Performance Indicator (TSPI) is an index showing the efficiency at which the remaining time on the project should be utilized. It can be calculated using the following formula:
TSPI = ( Total Budget − EV ) ⁄ ( Total Budget − PV )

OR
TSPI = ( Total Budget − BCWP ) ⁄ ( Total Budget − BCWS )

The formula mentioned above gives the efficiency at which the project team should utilize the remaining time allocated for the project.
The formula mentioned above gives the efficiency at which the project team should utilize the remaining time allocated for the project.
A TSPI value below 1 indicates the project team can be lenient in utilizing
the remaining time allocated to the project.
A TSPI value below 1 indicates the project team can be lenient in utilizing
the remaining time allocated to the project.
A TSPI value above 1 indicates the project team needs to work harder in utilizing the remaining time allocated to the project.
A TSPI value above 1 indicates the project team needs to work harder in utilizing the remaining time allocated to the project.

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