TPI
TPI stands for:
- Theater Pathological Institute , German theater project
- Test process improvement , maturity model for test evaluation and optimization
- TPI (TV Station) , private national television station in Indonesia
- Triose phosphate isomerase , enzyme
- True Performance Index , index of AMD's CPU performance rating for the QuantiSpeed architecture
- Tapini Airport (IATA) Airport Tapini , Central Province (Papua New Guinea) , Papua New Guinea
TPI as a distinguishing mark on license plates:
- Poland: Powiat Pińczowski in the Holy Cross Voivodeship
tpi stands for:
- Tok Pisin (ISO 639-3 code), Creole language
- Tracks Per Inch , number of (data) tracks on a data carrier
- teeth per inch , measure of the density of the teeth on a saw
- Threads per inch (number of threads per inch), measure of the thread pitch for screws with an inch thread
- threads per inch , measure of the density of the carcass fabric of a tire, see carcass (tire)
- twists per inch or turns per inch , measure of the number of twists when twisting threads or twine
