| Subject | English | Spanish |
| commun., IT | Broadband Performance Index | índice de eficacia de la banda ancha |
| comp., MS | complete performance index | índice de rendimiento para completar (The ratio of the work remaining to be done to funds remaining to be spent, as of the status date [BAC - BCWP]/[BAC - ACWP]. A TCPI value greater than one indicates a need for increased performance; less than one indicates performance can decrease) |
| comp., MS | cost performance index | índice de rendimiento de costos (The ratio of budgeted costs of work performed to actual costs of work performed [BCWP/ACWP]. The cumulative CPI [sum of the BCWP for all tasks divided by the sum of the ACWP for all tasks] can be used to predict whether a project will go over budget) |
| IT, el. | performance index | función de calidad |
| fin. | performance of an index | rendimiento del índice |
| transp., mil., grnd.forc. | Road Safety Performance Index | Índice de Eficacia de Seguridad Vial |
| comp., MS | schedule performance index The ratio of the earned value (EV), which is sometimes referred to as the budgeted cost of work performed (BCWP), to the planned value (PV), which is sometimes referred to as the budgeted cost of work scheduled (BCWS). SPI is often used to estimate the project completion date. The SPI value is calculated as follows: SPI = EV/PV. If the resulting SPI value is less than 1.0, that indicates that less work was completed on the project than was planned. If the SPI value is 1.0 or greater, that indicates that more work was completed than was planned; SPI | índice de rendimiento de programación (SPI) |