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
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
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.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting KSI to Terapascals
KSI and Terapascal both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. 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
100 ksi × 0.000006894757293 = 0.0006894757 TPa
100 ksi = 0.0006894757 terapascals.
Conversion table
| KSI (ksi) | Terapascal (TPa) |
|---|---|
| 1 ksi | 0.0000068948 TPa |
| 10 ksi | 0.0000689476 TPa |
| 50 ksi | 0.0003447379 TPa |
| 100 ksi | 0.0006894757 TPa |
| 500 ksi | 0.0034473786 TPa |
| 1,000 ksi | 0.0068947573 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 engineering.
What is a terapascal?
Terapascal (TPa) is a unit of engineering.
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.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.