Kips per square inch.
KSI to Quettapascals Converter — ksi to QPa
Convert KSI (ksi) to Quettapascal (QPa) using the exact conversion factor (1 ksi = 6.894757e-24 quettapascal). See the formula, worked examples, and conversion table.
KSI to Quettapascals 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.
Quettapascal is 1e+30 pascal units.
Result = input x 6.89475729e+6 / 1e+30.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting KSI to Quettapascals
KSI and Quettapascal 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 quettapascal is 1e+30 pascal units.
Formula
quettapascals = ksi × 6.894757e-24
This factor comes from each unit's defined relationship to the category's base unit: 1 ksi equals 6894757.29317 base units, and 1 quettapascal equals 1e+30 base units, so dividing one by the other gives the direct ksi-to-quettapascal factor of 6.894757e-24.
Simple example
1 ksi × 6.894757e-24 = 6.894757e-24 QPa
1 ksi = 6.894757e-24 quettapascals.
Real-world example
35 ksi × 6.894757e-24 = 2.413165e-22 QPa
35 ksi = 2.413165e-22 quettapascals.
Conversion table
| KSI (ksi) | Quettapascal (QPa) |
|---|---|
| 1 ksi | 6.894757e-24 QPa |
| 5 ksi | 3.447379e-23 QPa |
| 10 ksi | 6.894757e-23 QPa |
| 25 ksi | 1.723689e-22 QPa |
| 50 ksi | 3.447379e-22 QPa |
| 100 ksi | 6.894757e-22 QPa |
Reverse conversion: Quettapascal to KSI
6.894757e-24 QPa × 1.450377e+23 = 0.9999999575 ksi
6.894757e-24 quettapascals = 0.9999999575 ksi.
ksi = quettapascals × 1.450377e+23
For a page dedicated to this direction, see Quettapascal to KSI.
Understanding the KSI (ksi)
Kips per square inch.
Understanding the Quettapascal (QPa)
Quettapascal is 1e+30 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quettapascals are in 1 ksi?
1 ksi equals 6.894757e-24 quettapascals, using the exact defined conversion factor rather than an estimate.
How do I convert ksi to quettapascal?
Multiply the ksi value by 6.894757e-24. The converter above does this instantly to whatever precision you set.
How do I convert quettapascal back to ksi?
Use the reverse factor: 1 quettapascal equals 1.450377e+23 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 quettapascal?
Quettapascal (QPa) is a unit of pressure.
Is the ksi to quettapascal conversion exact?
Yes. Both ksi and quettapascal are defined by fixed standards rather than physical artifacts, so the factor of 6.894757e-24 used above is exact to as many digits as you choose to display.