SPI Calculator Calculator — Calculate and get instant results.
Earned Value — Business metric. Affects cost, margin, or break-even; validate against recent data. Example: 0.1.
Earned Value is required
Planned Value — Business metric. Affects cost, margin, or break-even; validate against recent data. Example: 0.101.
Planned Value is required
Calculate schedule performance index
Formula
spi = earnedValue ÷ plannedValue