Examples
Examples
Try the starting example
- Planned value ($)
- 100
- Earned value ($)
- 80
- Actual cost ($)
- 120
- Cost variance EV−AC ($)
- -$40.00
- Schedule variance EV−PV ($)
- -$20.00
- Cost performance index EV/AC
- 0.666667
- Schedule performance index EV/PV
- 0.8
Try another scenario
- Planned value ($)
- 100
- Earned value ($)
- 120
- Actual cost ($)
- 120
- Cost variance EV−AC ($)
- $0.00
- Schedule variance EV−PV ($)
- $20.00
- Cost performance index EV/AC
- 1
- Schedule performance index EV/PV
- 1.2
Calculation method
Calculation method
Cost variance EV−AC ($)
Earned value minus actual cost.
Schedule variance EV−PV ($)
Earned value minus planned value, expressed in the same budget-value units.
Cost performance index EV/AC
Earned value / actual cost, undefined when actual cost is zero.
Schedule performance index EV/PV
Earned value / planned value, undefined when planned value is zero.
Symbols and units
- a
- Planned value ($)
- b
- Earned value ($)
- c
- Actual cost ($)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- Conventional supplied-baseline earned-value arithmetic. Schedule variance is in budget-value units, not elapsed days. The tool does not certify project health or forecast completion from these indices alone.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.
Further reading
US DOE: earned-value metrics and forecasting ↗
Background reading; this does not imply endorsement or independent review of SumFizz.