Kips per square inch.
KSI to Terapascals Converter — ksi to TPa
Convert KSI (ksi) to Terapascal (TPa) using the exact conversion factor (1 ksi = 0.0000068948 terapascal). See the formula, worked examples, and conversion table.
KSI to Terapascals converter
Converter
Pressure Converter
Convert pascals, bars, PSI, atmospheres, mercury columns, water columns, and engineering pressure units.
Context values
Some unit families need one extra value for a physically accurate result.
Terapascal is 1000000000000 pascal units.
Result = input x 6.89475729e+6 / 1e+12.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting KSI to Terapascals
KSI and Terapascal both show up on pressure gauges — psi is standard on US tire and tool specifications, while bar is the everyday pressure unit across most of the rest of the world. Specifically: Kips per square inch, and terapascal is 1000000000000 pascal units.
Formula
terapascals = ksi × 0.00000689475729317
This factor comes from each unit's defined relationship to the category's base unit: 1 ksi equals 6894757.29317 base units, and 1 terapascal equals 1e+12 base units, so dividing one by the other gives the direct ksi-to-terapascal factor of 0.00000689475729317.
Simple example
1 ksi × 0.000006894757293 = 0.0000068948 TPa
1 ksi = 0.0000068948 terapascals.
Real-world example
35 ksi × 0.000006894757293 = 0.0002413165 TPa
35 ksi = 0.0002413165 terapascals.
Conversion table
| KSI (ksi) | Terapascal (TPa) |
|---|---|
| 1 ksi | 0.0000068948 TPa |
| 5 ksi | 0.0000344738 TPa |
| 10 ksi | 0.0000689476 TPa |
| 25 ksi | 0.0001723689 TPa |
| 50 ksi | 0.0003447379 TPa |
| 100 ksi | 0.0006894757 TPa |
Reverse conversion: Terapascal to KSI
0.0000068948 TPa × 145037.7377 = 1.000006194 ksi
0.0000068948 terapascals = 1.000006194 ksi.
ksi = terapascals × 145037.73773
For a page dedicated to this direction, see Terapascal to KSI.
Understanding the KSI (ksi)
Kips per square inch.
Understanding the Terapascal (TPa)
Terapascal is 1000000000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many terapascals are in 1 ksi?
1 ksi equals 0.0000068948 terapascals, using the exact defined conversion factor rather than an estimate.
How do I convert ksi to terapascal?
Multiply the ksi value by 0.000006894757293. The converter above does this instantly to whatever precision you set.
How do I convert terapascal back to ksi?
Use the reverse factor: 1 terapascal equals 145,037.7377 ksi. You can also use the swap control in the converter above to flip the direction instantly.
What is a ksi?
KSI (ksi) is a unit of pressure.
What is a terapascal?
Terapascal (TPa) is a unit of pressure.
Is the ksi to terapascal conversion exact?
Yes. Both ksi and terapascal are defined by fixed standards rather than physical artifacts, so the factor of 0.000006894757293 used above is exact to as many digits as you choose to display.