Kips per square inch.
KSI to Attopascals Converter — ksi to aPa
Convert KSI (ksi) to Attopascal (aPa) using the exact conversion factor (1 ksi = 6.894757e+24 attopascal). See the formula, worked examples, and conversion table.
KSI to Attopascals 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.
Attopascal is 1e-18 pascal units.
Result = input x 6.89475729e+6 / 1e-18.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting KSI to Attopascals
KSI and Attopascal 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 attopascal is 1e-18 pascal units.
Formula
attopascals = 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 attopascal equals 1e-18 base units, so dividing one by the other gives the direct ksi-to-attopascal factor of 6.894757e+24.
Simple example
1 ksi × 6.894757e+24 = 6.894757e+24 aPa
1 ksi = 6.894757e+24 attopascals.
Real-world example
35 ksi × 6.894757e+24 = 2.413165e+26 aPa
35 ksi = 2.413165e+26 attopascals.
Conversion table
| KSI (ksi) | Attopascal (aPa) |
|---|---|
| 1 ksi | 6.894757e+24 aPa |
| 5 ksi | 3.447379e+25 aPa |
| 10 ksi | 6.894757e+25 aPa |
| 25 ksi | 1.723689e+26 aPa |
| 50 ksi | 3.447379e+26 aPa |
| 100 ksi | 6.894757e+26 aPa |
Reverse conversion: Attopascal to KSI
6.894757e+24 aPa × 1.450377e-25 = 0.9999999575 ksi
6.894757e+24 attopascals = 0.9999999575 ksi.
ksi = attopascals × 1.450377e-25
For a page dedicated to this direction, see Attopascal to KSI.
Understanding the KSI (ksi)
Kips per square inch.
Understanding the Attopascal (aPa)
Attopascal is 1e-18 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attopascals are in 1 ksi?
1 ksi equals 6.894757e+24 attopascals, using the exact defined conversion factor rather than an estimate.
How do I convert ksi to attopascal?
Multiply the ksi value by 6.894757e+24. The converter above does this instantly to whatever precision you set.
How do I convert attopascal back to ksi?
Use the reverse factor: 1 attopascal equals 1.450377e-25 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 attopascal?
Attopascal (aPa) is a unit of pressure.
Is the ksi to attopascal conversion exact?
Yes. Both ksi and attopascal 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.