| Abbreviation | Definition |
|---|---|
| TPI | Turns Per Inch |
| TPI | Twists Per Inch |
| TPM | Transactions Per Minute |
| TPS | Transactions Per Second |
| TPS | Transfers Per Second |
| TPSI | Torque Pressure In Pounds per Square Inch |
| TPW | Turns Per Wrap |
| TPY | Tons Per Year |
| TQ | Three Quarter |
| TQU | Time QUantum |
| TRH | Total Run Hours |
| TRN | Target Ring Number |
| TRS | Temperature Ratio Scale |
| TSD | Time, Speed, and Distance |
| TSF | Tons per Square Foot |
| TSP | Tablespoon |
| TSP | Tea spoon |
| TSP | Ten Square Pounds |
| TTFB | Time To First Byte |
| TU | Time Units |